PERF0005: Oracle error detected in glpsqs() – ORA-20001:An active sequence assignment is required. ORA-06512
Disable the Accounting Sequence required check box as follows :-
Step 1. Go to GL > Accounting Set Up Manager > Sequencing (Update)
Step 2. Uncheck the option Require Assignment. This will Disable the requirement for assignment.
Step 3. Now, Re-submit POSTING.