java.lang.NoSuchMethodError: org.bukkit.entity.Entity#getBoundingBox in Spigot 1.12.2

[yhdev7935]

Describe the bug
java.lang.NoSuchMethodError: org.bukkit.entity.Entity#getBoundingBox in Spigot 1.12.2

Error Message

[18:39:27 WARN]: [SkillAPI] Task #193683 for SkillAPI vs1.97 generated an exception
java.lang.NoSuchMethodError: org.bukkit.entity.Entity.getBoundingBox()Lorg/bukkit/util/BoundingBox;
        at com.sucy.skill.api.TargetHelper.getConeTargets(TargetHelper.java:151) ~[?:?]
        at com.sucy.skill.dynamic.target.ConeTarget.lambda$getTargets$0(ConeTarget.java:57) ~[?:?]
        at com.sucy.skill.dynamic.target.TargetComponent.lambda$determineTargets$1(TargetComponent.java:135) ~[?:?]
        at java.util.ArrayList.forEach(Unknown Source) ~[?:1.8.0_112]
        at com.sucy.skill.dynamic.target.TargetComponent.determineTargets(TargetComponent.java:133) ~[?:?]
        at com.sucy.skill.dynamic.target.ConeTarget.getTargets(ConeTarget.java:57) ~[?:?]
        at com.sucy.skill.dynamic.target.TargetComponent.execute(TargetComponent.java:56) ~[?:?]
        at com.sucy.skill.dynamic.EffectComponent.executeChildren(EffectComponent.java:212) ~[?:?]
        at com.sucy.skill.dynamic.mechanic.RepeatMechanic.access$300(RepeatMechanic.java:41) ~[?:?]
        at com.sucy.skill.dynamic.mechanic.RepeatMechanic$RepeatTask.run(RepeatMechanic.java:131) ~[?:?]
        at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:64) ~[patched_1.12.2.jar:git-Paper-1618]
        at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:423) ~[patched_1.12.2.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:840) ~[patched_1.12.2.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:423) ~[patched_1.12.2.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:774) ~[patched_1.12.2.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:666) ~[patched_1.12.2.jar:git-Paper-1618]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_112]

Version
Plugin Version: SkillAPI-s1.97
Spigot Version: 1.12.2