How to fix the error ORA-00058: DB_BLOCK_SIZE must be string to mount this database (not string)?

In this post, you’ll learn more about the Oracle ErrorORA-00058: DB_BLOCK_SIZE must be string to mount this database (not string) with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

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

Reason for the Error ORA-00058: DB_BLOCK_SIZE must be string to mount this database (not string)

DB_BLOCK_SIZE initialization parameter is wrong for the database being mounted. It does not match the value used to create the database.

How to fix the Error ORA-00058: DB_BLOCK_SIZE must be string to mount this database (not string) ?

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

Fix the value of the DB_BLOCK_SIZE parameter or mount a database that matches the value.