ORA-00058: DB_BLOCK_SIZE must be string to mount this database (not string)

admin

ORA-00058: DB_BLOCK_SIZE must be string to mount this database (not string)
Cause: DB_BLOCK_SIZE initialization parameter is wrong for the database being mounted. It does not match the value used to create the database.
Action: Fix the value of the DB_BLOCK_SIZE parameter or mount a database that matches the value.