How to fix the Oracle error ORA-36188: (XSAGGR16) AGGREGATE read a value less than 1 out of COUNTVAR variable workspace object. Either the values of the COUNTVAR variable are stored improperly, or there is problem in AGGREGATE. If no one has modified the values in this COUNTVAR, contact Oracle customer support.?

In this post, you’ll learn more about the Oracle ErrorORA-36188: (XSAGGR16) AGGREGATE read a value less than 1 out of COUNTVAR variable workspace object. Either the values of the COUNTVAR variable are stored improperly, or there is problem in AGGREGATE. If no one has modified the values in this COUNTVAR, contact Oracle customer support. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-36188: (XSAGGR16) AGGREGATE read a value less than 1 out of COUNTVAR variable workspace object. Either the values of the COUNTVAR variable are stored improperly, or there is problem in AGGREGATE. If no one has modified the values in this COUNTVAR, contact Oracle customer support.

Reason for the Error ORA-36188: (XSAGGR16) AGGREGATE read a value less than 1 out of COUNTVAR variable workspace object. Either the values of the COUNTVAR variable are stored improperly, or there is problem in AGGREGATE. If no one has modified the values in this COUNTVAR, contact Oracle customer support.

Either someone improperly changed the COUNTVAR variable, or AGGREGATE has an error.

How to fix the Error ORA-36188: (XSAGGR16) AGGREGATE read a value less than 1 out of COUNTVAR variable workspace object. Either the values of the COUNTVAR variable are stored improperly, or there is problem in AGGREGATE. If no one has modified the values in this COUNTVAR, contact Oracle customer support. ?

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

Set the COUNTVAR variable to NA before starting AGGREGATE. If you previously set the COUNTVAR variable to NA, then contact Oracle OLAP technical support.