How to fix the Oracle error ORA-25007: functions or methods not allowed in WHEN clause?

In this post, you’ll learn more about the Oracle ErrorORA-25007: functions or methods not allowed in WHEN clause with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-25007: functions or methods not allowed in WHEN clause

Reason for the Error ORA-25007: functions or methods not allowed in WHEN clause

PLSQL function call or method invocation is not allowed in the WHEN clause when creating a trigger.

How to fix the Error ORA-25007: functions or methods not allowed in WHEN clause ?

You can fix this error in Oracle by following the below steps

Remove the function call or method invocation from the WHEN clause.