onError 169: 400 PEER_ID_INVALID

[gth9001]

Incoming message from user #41151607: bot work please
onError 169: 400 PEER_ID_INVALID //when trying to send message to this user

Telegram bot user and this #41151607 are the different users. What can I do with this? Thanks.

[DangerBlack]

May it be due to message length 4096 char.

[telegrambeans]

i have this problem, too. I 00:52:35.663
{"ok":false,"error_code":400,"description":"Error: PEER_ID_INVALID"}

Return errors
Code Type Description
400 BAD_REQUEST PEER_ID_INVALID Invalid peer
400 BAD_REQUEST MESSAGE_EMPTY Empty or invalid UTF8 message was sent
400 BAD_REQUEST MESSAGE_TOO_LONG Message was too long.
Current maximum length is 4096 UTF8 characters

[sealabcore]

I have this issue as well, not sure why we are receiving this...