Partial accounting issue in AP invoice

Hi,

Partially accounted AP transaction was causing an issue in SLA due to this payment is not accounted in gl. Can you please tell what causing the issue and what need to be done in order to fix the below error.

Error ::

The accounted amount and entered amount for the subledger jounral entry line have different sign.  Please inform your system administrator or support representative that: The sources assigned to the accounting attributes Accounted Amount and Entered Amount have different sign for extract line number 28271861. Please make sure the sources assigned to the two accounting attributes have same sign, or assign different sources to these accounting attributes.