How To Fix IST_EBS150 - Several documents exist for the triple AWTYP = &1, AWSYS = &2, AWKEY = &3

IST_EBS150 - Overview

• Message type: E = Error

• Message class: IST_EBS - Interface Between IS-T and External Billing System

• Message number: 150

• Message text: Several documents exist for the triple AWTYP = &1, AWSYS = &2, AWKEY = &3

What causes this issue?

For a given external billing system defined in the AWSYS field, the
AWKEY field must uniquely identify an RM-CA document with 'ISTBS' as
AWTYP.
This is <ZH>not </>the case.
It is not clear which RM-CA document is to be reversed.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Problem:
Why were two documents created with the same AWKEY and AWSYS and
AWTYP = 'ISTBS'?
You need to clarify which of the two documents is to be reversed.
This information can only be found in the external billing system.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

IST_EBS150 - Details

• The SAP error message IST_EBS150 indicates that there are multiple documents associated with a specific combination of parameters: AWTYP (Document Type), AWSYS (Document System), and AWKEY (Document Key). This situation typically arises in the context of document management or when dealing with document flow in SAP systems.
  
  Cause:
  The error occurs when the system expects a unique document for the specified parameters but finds multiple entries instead. This can happen due to:
  
  Data Duplication: There may be duplicate entries in the database for the specified document type and key.
  Incorrect Configuration: The system might be incorrectly configured, leading to multiple documents being created for the same transaction.
  Integration Issues: If the system is integrated with other applications or modules, inconsistencies in data synchronization can lead to multiple documents being created.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check for Duplicates:
  
  Use transaction codes like SE16 or SE11 to query the relevant database tables (e.g., the