Oracle DBA, How To, Error, Cause and Action

ORA-01096: program version (string) incompatible with instance (string)

ORA-01096: program version (string) incompatible with instance (string)




Cause: A program is trying to connect to an instance using a different version of code than the database was started with. This is not allowed.




Action: Either relink the program with the same version as the database or restart the database using the old version of code.