In this post, you’ll learn more about the Oracle ErrorORA-07620: smscre: illegal database block size with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
ORA-07620: smscre: illegal database block size
Reason for the Error ORA-07620: smscre: illegal database block size
An illegal database block size was specified in the parameter file. It must be positive, a multiple of 512, and less than the maximum physical i/o data size.
How to fix the Error ORA-07620: smscre: illegal database block size ?
You can fix this error in Oracle by following the below steps
Change db_block_size in the parameter file to conform to these limits.