In this post, you’ll learn more about the Oracle ErrorORA-32700: error occurred in DIAG Group Service with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
ORA-32700: error occurred in DIAG Group Service
Reason for the Error ORA-32700: error occurred in DIAG Group Service
An unexpected error occurred while performing a DIAG Group Service operation.
How to fix the Error ORA-32700: error occurred in DIAG Group Service ?
You can fix this error in Oracle by following the below steps
Verify that the DIAG process is still active. Also, check the Oracle DIAG trace files for errors.