Clean up aggregation endpoint + fix error msg
Clean up aggregation endpoint + fix error msg

zimmerman-zimmerman/OIPA,zimmerman-zimmerman/OIPA,zimmerman-zimmerman/OIPA,zimmerman-zimmerman/OIPA,openaid-IATI/OIPA,zimmerman-zimmerman/OIPA,openaid-IATI/OIPA,openaid-IATI/OIPA,openaid-IATI/OIPA,openaid-IATI/OIPA