In this post, you’ll learn more about the Oracle ErrorORA-04085: cannot change the value of an OLD reference variable with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
ORA-04085: cannot change the value of an OLD reference variable
Reason for the Error ORA-04085: cannot change the value of an OLD reference variable
Old values can only be read and not changed.
How to fix the Error ORA-04085: cannot change the value of an OLD reference variable ?
You can fix this error in Oracle by following the below steps
Do not attempt to change an old variable.