How to fix the Oracle error PLS-00905: object string is invalid?

In this post, you’ll learn more about the Oracle ErrorPLS-00905: object string is invalid with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PLS-00905: object string is invalid

Reason for the Error PLS-00905: object string is invalid

An invalid package specification or stored subprogram was referenced. A package specification or stored subprogram is invalid if its source code or any database object it references has been DROPped, REPLACEd, or ALTERed since it was last compiled.

How to fix the Error PLS-00905: object string is invalid ?

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

Find out what invalidated the package specification or stored subprogram, then make sure that Oracle can recompile it without errors.