In this post, you’ll learn more about the Oracle ErrorORA-25150: ALTERING of extent parameters not permitted with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
ORA-25150: ALTERING of extent parameters not permitted
Reason for the Error ORA-25150: ALTERING of extent parameters not permitted
An attempt was made to alter the extent parameters for a segment in a tablespace with autoallocate or uniform extent allocation policy.
How to fix the Error ORA-25150: ALTERING of extent parameters not permitted ?
You can fix this error in Oracle by following the below steps
Remove the appropriate extent parameters from the command.