Errors Found In Aggregator Transformation

While working on Informatica Aggregator Transformation you may come across various Errors. I have listed down few of the common Informatica errors and how to trouble shoot these errors

Error Message : EXP_19183 User-defined function <user-defined function> uses an aggregator function   Readmore about this Error

Error Message : SM_7072 Aggregate Error: Expecting keys to be descending  Readmore about this Error

Error Message : TT_11014 Aggregator Transformation: Error in parsing output ports  Readmore about this Error

Error Message : TT_11013 Aggregate Transformation: Error in parsing group-by ports  Read more about this Error

Error Message : SM_7051 Aggregate error: index file timestamp is earlier than the timestamp of the Aggregator transformation or mapping  Readmore about this Error