ORA-00058: DB_BLOCK_SIZE must be string to mount this database (not string)
What triggered the Error:
DB_BLOCK_SIZE initialization parameter is wrong for the database being mounted. It does not match the value used to create the database.What should we do to fix it:
Fix the value of the DB_BLOCK_SIZE parameter or mount a database that matches the value.
If this was not sufficient go over to:
Oracle Official Support Knowledge Center
Or maybe those geeks at: StackOverflow Board
Or maybe those geeks at: StackOverflow Board