diff --git a/src/identity/backends/error.rs b/src/identity/backends/error.rs
index 9d48ec3f..0958bf90 100644
--- a/src/identity/backends/error.rs
+++ b/src/identity/backends/error.rs
@@ -100,9 +100,3 @@ pub fn db_err(e: sea_orm::DbErr, context: &str) -> IdentityDatabaseError {
         },
     )
 }
-
-impl From<sea_orm::DbErr> for IdentityDatabaseError {
-    fn from(err: sea_orm::DbErr) -> Self {
-        db_err(err, "unknown")
-    }
-}
diff --git a/src/identity/backends/sql.rs b/src/identity/backends/sql.rs
index 644f066b..c374a364 100644
--- a/src/identity/backends/sql.rs
+++ b/src/identity/backends/sql.rs
@@ -364,7 +364,10 @@ async fn list_users(
             federated_user_select.filter(db_federated_user::Column::DisplayName.eq(name));
     }
 
-    let db_users: Vec<db_user::Model> = user_select.all(db).await?;
+    let db_users: Vec<db_user::Model> = user_select
+        .all(db)
+        .await
+        .map_err(|err| db_err(err, "fetching users data"))?;
 
     let (user_opts, local_users, nonlocal_users, federated_users) = tokio::join!(
         db_users.load_many(UserOption, db),
@@ -373,7 +376,7 @@ async fn list_users(
         db_users.load_many(federated_user_select, db)
     );
 
-    let locals = local_users?;
+    let locals = local_users.map_err(|err| db_err(err, "fetching local users data"))?;
 
     let local_users_passwords: Vec<Option<Vec<db_password::Model>>> =
         local_user::load_local_users_passwords(db, locals.iter().cloned().map(|u| u.map(|x| x.id)))
@@ -381,15 +384,23 @@ async fn list_users(
 
     let mut results: Vec<UserResponse> = Vec::new();
     for (u, (o, (l, (p, (n, f))))) in db_users.into_iter().zip(
-        user_opts?.into_iter().zip(
-            locals.into_iter().zip(
-                local_users_passwords.into_iter().zip(
-                    nonlocal_users?
-                        .into_iter()
-                        .zip(federated_users?.into_iter()),
+        user_opts
+            .map_err(|err| db_err(err, "fetching user options"))?
+            .into_iter()
+            .zip(
+                locals.into_iter().zip(
+                    local_users_passwords.into_iter().zip(
+                        nonlocal_users
+                            .map_err(|err| db_err(err, "fetching nonlocal users data"))?
+                            .into_iter()
+                            .zip(
+                                federated_users
+                                    .map_err(|err| db_err(err, "fetching federated users data"))?
+                                    .into_iter(),
+                            ),
+                    ),
                 ),
             ),
-        ),
     ) {
         if l.is_none() && n.is_none() && f.is_empty() {
             continue;
@@ -430,7 +441,10 @@ pub async fn get_user(
 ) -> Result<Option<UserResponse>, IdentityDatabaseError> {
     let user_select = DbUser::find_by_id(user_id);
 
-    let user_entry: Option<db_user::Model> = user_select.one(db).await?;
+    let user_entry: Option<db_user::Model> = user_select
+        .one(db)
+        .await
+        .map_err(|err| db_err(err, "fetching the user data"))?;
 
     if let Some(user) = user_entry {
         let (user_opts, local_user_with_passwords) = tokio::join!(
@@ -449,16 +463,31 @@ pub async fn get_user(
                 &user,
                 local_user_with_passwords.0,
                 Some(local_user_with_passwords.1),
-                user_opts?,
+                user_opts.map_err(|err| db_err(err, "fetching user options"))?,
             ),
-            _ => match user.find_related(NonlocalUser).one(db).await? {
-                Some(nonlocal_user) => {
-                    common::get_nonlocal_user_builder(&user, nonlocal_user, user_opts?)
-                }
+            _ => match user
+                .find_related(NonlocalUser)
+                .one(db)
+                .await
+                .map_err(|err| db_err(err, "fetching nonlocal user data"))?
+            {
+                Some(nonlocal_user) => common::get_nonlocal_user_builder(
+                    &user,
+                    nonlocal_user,
+                    user_opts.map_err(|err| db_err(err, "fetching user options"))?,
+                ),
                 _ => {
-                    let federated_user = user.find_related(FederatedUser).all(db).await?;
+                    let federated_user = user
+                        .find_related(FederatedUser)
+                        .all(db)
+                        .await
+                        .map_err(|err| db_err(err, "fetching federated user data"))?;
                     if !federated_user.is_empty() {
-                        common::get_federated_user_builder(&user, federated_user, user_opts?)
+                        common::get_federated_user_builder(
+                            &user,
+                            federated_user,
+                            user_opts.map_err(|err| db_err(err, "fetching user options"))?,
+                        )
                     } else {
                         return Err(IdentityDatabaseError::MalformedUser(user_id.to_string()))?;
                     }
diff --git a/src/identity/backends/sql/federated_user.rs b/src/identity/backends/sql/federated_user.rs
index c870d834..66378b97 100644
--- a/src/identity/backends/sql/federated_user.rs
+++ b/src/identity/backends/sql/federated_user.rs
@@ -18,7 +18,7 @@ use sea_orm::query::*;
 
 use crate::config::Config;
 use crate::db::entity::{federated_user, prelude::FederatedUser};
-use crate::identity::backends::error::IdentityDatabaseError;
+use crate::identity::backends::sql::{IdentityDatabaseError, db_err};
 
 pub async fn create<A>(
     _conf: &Config,
@@ -28,7 +28,11 @@ pub async fn create<A>(
 where
     A: Into<federated_user::ActiveModel>,
 {
-    let db_user: federated_user::Model = federation.into().insert(db).await?;
+    let db_user: federated_user::Model = federation
+        .into()
+        .insert(db)
+        .await
+        .map_err(|err| db_err(err, "persisting federated user data"))?;
 
     Ok(db_user)
 }
@@ -44,7 +48,8 @@ pub async fn find_by_idp_and_unique_id<I: AsRef<str>, U: AsRef<str>>(
         .filter(federated_user::Column::IdpId.eq(idp_id.as_ref()))
         .filter(federated_user::Column::UniqueId.eq(unique_id.as_ref()))
         .all(db)
-        .await?
+        .await
+        .map_err(|err| db_err(err, "searching federated user by the idp and unique id"))?
         .first()
         .cloned())
 }
diff --git a/src/identity/backends/sql/group/create.rs b/src/identity/backends/sql/group/create.rs
index 58a8c0ec..ae305bf7 100644
--- a/src/identity/backends/sql/group/create.rs
+++ b/src/identity/backends/sql/group/create.rs
@@ -18,7 +18,7 @@ use serde_json::json;
 
 use crate::db::entity::group;
 use crate::identity::Config;
-use crate::identity::backends::sql::IdentityDatabaseError;
+use crate::identity::backends::sql::{IdentityDatabaseError, db_err};
 use crate::identity::types::{Group, GroupCreate};
 
 pub async fn create(
@@ -36,7 +36,10 @@ pub async fn create(
         )?)),
     };
 
-    let db_entry: group::Model = entry.insert(db).await?;
+    let db_entry: group::Model = entry
+        .insert(db)
+        .await
+        .map_err(|err| db_err(err, "persisting new group record"))?;
 
     Ok(db_entry.into())
 }
diff --git a/src/identity/backends/sql/group/delete.rs b/src/identity/backends/sql/group/delete.rs
index 835b80fc..419ebe43 100644
--- a/src/identity/backends/sql/group/delete.rs
+++ b/src/identity/backends/sql/group/delete.rs
@@ -17,14 +17,17 @@ use sea_orm::entity::*;
 
 use crate::db::entity::prelude::Group as DbGroup;
 use crate::identity::Config;
-use crate::identity::backends::sql::IdentityDatabaseError;
+use crate::identity::backends::sql::{IdentityDatabaseError, db_err};
 
 pub async fn delete<S: AsRef<str>>(
     _conf: &Config,
     db: &DatabaseConnection,
     group_id: S,
 ) -> Result<(), IdentityDatabaseError> {
-    let res = DbGroup::delete_by_id(group_id.as_ref()).exec(db).await?;
+    let res = DbGroup::delete_by_id(group_id.as_ref())
+        .exec(db)
+        .await
+        .map_err(|err| db_err(err, "removing group record"))?;
     if res.rows_affected == 1 {
         Ok(())
     } else {
diff --git a/src/identity/backends/sql/group/get.rs b/src/identity/backends/sql/group/get.rs
index 5ca2edad..9389758f 100644
--- a/src/identity/backends/sql/group/get.rs
+++ b/src/identity/backends/sql/group/get.rs
@@ -17,7 +17,7 @@ use sea_orm::entity::*;
 
 use crate::db::entity::prelude::Group as DbGroup;
 use crate::identity::Config;
-use crate::identity::backends::sql::IdentityDatabaseError;
+use crate::identity::backends::sql::{IdentityDatabaseError, db_err};
 use crate::identity::types::Group;
 
 pub async fn get<S: AsRef<str>>(
@@ -27,7 +27,8 @@ pub async fn get<S: AsRef<str>>(
 ) -> Result<Option<Group>, IdentityDatabaseError> {
     Ok(DbGroup::find_by_id(group_id.as_ref())
         .one(db)
-        .await?
+        .await
+        .map_err(|err| db_err(err, "fetching group data"))?
         .map(Into::into))
 }
 
diff --git a/src/identity/backends/sql/group/list.rs b/src/identity/backends/sql/group/list.rs
index 306e1c78..4e26a10d 100644
--- a/src/identity/backends/sql/group/list.rs
+++ b/src/identity/backends/sql/group/list.rs
@@ -18,7 +18,7 @@ use sea_orm::query::*;
 
 use crate::db::entity::{group, prelude::Group as DbGroup};
 use crate::identity::Config;
-use crate::identity::backends::sql::IdentityDatabaseError;
+use crate::identity::backends::sql::{IdentityDatabaseError, db_err};
 use crate::identity::types::{Group, GroupListParameters};
 
 pub async fn list(
@@ -36,7 +36,10 @@ pub async fn list(
         group_select = group_select.filter(group::Column::Name.eq(name));
     }
 
-    let db_groups: Vec<group::Model> = group_select.all(db).await?;
+    let db_groups: Vec<group::Model> = group_select
+        .all(db)
+        .await
+        .map_err(|err| db_err(err, "listing groups"))?;
     let results: Vec<Group> = db_groups.into_iter().map(Into::into).collect();
 
     Ok(results)
diff --git a/src/identity/backends/sql/local_user.rs b/src/identity/backends/sql/local_user.rs
index 368b31ea..b04983aa 100644
--- a/src/identity/backends/sql/local_user.rs
+++ b/src/identity/backends/sql/local_user.rs
@@ -22,7 +22,7 @@ use crate::db::entity::{
     local_user, password,
     prelude::{LocalUser, Password},
 };
-use crate::identity::backends::error::IdentityDatabaseError;
+use crate::identity::backends::sql::{IdentityDatabaseError, db_err};
 use crate::identity::types::UserCreate;
 
 /// Load local user record with passwords from database
@@ -55,7 +55,8 @@ pub async fn load_local_user_with_passwords<S1: AsRef<str>, S2: AsRef<str>, S3:
         .find_with_related(Password)
         .order_by(password::Column::CreatedAtInt, Order::Desc)
         .all(db)
-        .await?;
+        .await
+        .map_err(|err| db_err(err, "fetching user with passwords"))?;
     Ok(results.first().cloned())
 }
 
@@ -76,7 +77,8 @@ pub async fn load_local_users_passwords<L: IntoIterator<Item = Option<i32>>>(
         .filter(password::Column::LocalUserId.is_in(keys.clone()))
         .order_by(password::Column::CreatedAtInt, Order::Desc)
         .all(db)
-        .await?;
+        .await
+        .map_err(|err| db_err(err, "fetching user passwords"))?;
 
     // Prepare hashmap of passwords per local_user_id from requested users
     let mut hashmap: HashMap<i32, Vec<password::Model>> =
@@ -126,7 +128,10 @@ pub async fn create(
         entry.failed_auth_count = Set(Some(0));
     }
 
-    let db_user: local_user::Model = entry.insert(db).await?;
+    let db_user: local_user::Model = entry
+        .insert(db)
+        .await
+        .map_err(|err| db_err(err, "inserting new user record"))?;
 
     Ok(db_user)
 }
@@ -137,11 +142,12 @@ pub async fn get_by_name_and_domain<N: AsRef<str>, D: AsRef<str>>(
     name: N,
     domain_id: D,
 ) -> Result<Option<local_user::Model>, IdentityDatabaseError> {
-    Ok(LocalUser::find()
+    LocalUser::find()
         .filter(local_user::Column::Name.eq(name.as_ref()))
         .filter(local_user::Column::DomainId.eq(domain_id.as_ref()))
         .one(db)
-        .await?)
+        .await
+        .map_err(|err| db_err(err, "searching user by name and domain"))
 }
 
 pub async fn get_by_user_id<U: AsRef<str>>(
@@ -149,8 +155,9 @@ pub async fn get_by_user_id<U: AsRef<str>>(
     db: &DatabaseConnection,
     user_id: U,
 ) -> Result<Option<local_user::Model>, IdentityDatabaseError> {
-    Ok(LocalUser::find()
+    LocalUser::find()
         .filter(local_user::Column::UserId.eq(user_id.as_ref()))
         .one(db)
-        .await?)
+        .await
+        .map_err(|err| db_err(err, "fetching the user by ID"))
 }
diff --git a/src/identity/backends/sql/password.rs b/src/identity/backends/sql/password.rs
index f1983023..631c0a17 100644
--- a/src/identity/backends/sql/password.rs
+++ b/src/identity/backends/sql/password.rs
@@ -17,7 +17,7 @@ use sea_orm::DatabaseConnection;
 use sea_orm::entity::*;
 
 use crate::db::entity::password;
-use crate::identity::backends::error::IdentityDatabaseError;
+use crate::identity::backends::sql::{IdentityDatabaseError, db_err};
 
 pub async fn create<S: AsRef<str>>(
     db: &DatabaseConnection,
@@ -40,6 +40,9 @@ pub async fn create<S: AsRef<str>>(
         entry.expires_at = Set(Some(expire.naive_utc()));
         entry.expires_at_int = Set(Some(expire.timestamp_micros()));
     }
-    let db_entry: password::Model = entry.insert(db).await?;
+    let db_entry: password::Model = entry
+        .insert(db)
+        .await
+        .map_err(|err| db_err(err, "inserting new password record"))?;
     Ok(db_entry)
 }
diff --git a/src/identity/backends/sql/user.rs b/src/identity/backends/sql/user.rs
index 1bb9266c..8f35a06f 100644
--- a/src/identity/backends/sql/user.rs
+++ b/src/identity/backends/sql/user.rs
@@ -19,14 +19,17 @@ use serde_json::json;
 
 use crate::config::Config;
 use crate::db::entity::{prelude::User as DbUser, user};
-use crate::identity::backends::error::IdentityDatabaseError;
+use crate::identity::backends::sql::{IdentityDatabaseError, db_err};
 use crate::identity::types::UserCreate;
 
 pub async fn get<U: AsRef<str>>(
     db: &DatabaseConnection,
     user_id: U,
 ) -> Result<Option<user::Model>, IdentityDatabaseError> {
-    Ok(DbUser::find_by_id(user_id.as_ref()).one(db).await?)
+    DbUser::find_by_id(user_id.as_ref())
+        .one(db)
+        .await
+        .map_err(|err| db_err(err, "fetching user by ID"))
 }
 
 pub(super) async fn create(
@@ -62,7 +65,10 @@ pub(super) async fn create(
         created_at: Set(Some(now)),
         domain_id: Set(user.domain_id.clone()),
     };
-    let db_user: user::Model = entry.insert(db).await?;
+    let db_user: user::Model = entry
+        .insert(db)
+        .await
+        .map_err(|err| db_err(err, "inserting user entry"))?;
     Ok(db_user)
 }
 
@@ -71,7 +77,10 @@ pub async fn delete<U: AsRef<str>>(
     db: &DatabaseConnection,
     user_id: U,
 ) -> Result<(), IdentityDatabaseError> {
-    let res = DbUser::delete_by_id(user_id.as_ref()).exec(db).await?;
+    let res = DbUser::delete_by_id(user_id.as_ref())
+        .exec(db)
+        .await
+        .map_err(|err| db_err(err, "deleting the user record"))?;
     if res.rows_affected == 1 {
         Ok(())
     } else {
diff --git a/src/identity/backends/sql/user_option.rs b/src/identity/backends/sql/user_option.rs
index 0122cd44..3cec8016 100644
--- a/src/identity/backends/sql/user_option.rs
+++ b/src/identity/backends/sql/user_option.rs
@@ -17,17 +17,18 @@ use sea_orm::entity::*;
 use sea_orm::query::*;
 
 use crate::db::entity::{prelude::UserOption as DbUserOptions, user_option};
-use crate::identity::backends::sql::IdentityDatabaseError;
+use crate::identity::backends::sql::{IdentityDatabaseError, db_err};
 use crate::identity::types::*;
 
 pub async fn get<S: AsRef<str>>(
     db: &DatabaseConnection,
     user_id: S,
 ) -> Result<impl IntoIterator<Item = user_option::Model>, IdentityDatabaseError> {
-    Ok(DbUserOptions::find()
+    DbUserOptions::find()
         .filter(user_option::Column::UserId.eq(user_id.as_ref()))
         .all(db)
-        .await?)
+        .await
+        .map_err(|err| db_err(err, "fetching options of the user"))
 }
 
 impl FromIterator<user_option::Model> for UserOptions {