How To Fix OQ_H102 - IDOC outbound interface: Error at variable assignment &1

SAP Error Message - Details

• Message type: E = Error

• Message class: OQ_H - IS-Oil SSR : Message pool Interfaces/IAC/BAPI development

• Message number: 102

• Message text: IDOC outbound interface: Error at variable assignment &1

What causes this issue?

The IDOC outbound interface detected an error during the assignment of
a fieldsymbol to (generated) variable defintion.

System Response

The system will not proceed with the IDOC creation.

How to fix this error?

Please re-generate the Clearing House Settlement message structure via
the IMG.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message OQ_H102 - IDOC outbound interface: Error at variable assignment &1 ?

  The SAP error message OQ_H102, which indicates "IDOC outbound interface: Error at variable assignment &1," typically occurs during the processing of an IDOC (Intermediate Document) in the outbound interface. This error suggests that there is an issue with the assignment of a variable in the IDOC processing logic.
  Causes:
  
  Data Mapping Issues: The variable assignment may be failing due to incorrect mapping of fields between the source data and the IDOC structure.
  Missing Data: Required fields may be missing or not populated correctly in the data being processed.
  Data Type Mismatch: There may be a mismatch between the expected data type of the variable and the actual data being assigned.
  Custom Code Errors: If there is custom code involved in the IDOC processing, there may be bugs or logical errors in that code.
  Configuration Issues: Incorrect configuration of the IDOC type or message type can lead to errors during processing.
  
  Solutions:
  
  Check IDOC Structure: Verify that the IDOC structure is correctly defined and that all required fields are present and correctly mapped.
  Review Data: Ensure that the data being sent to the IDOC is complete and adheres to the expected format and data types.
  Debugging: If custom code is involved, use the ABAP debugger to step through the code and identify where the variable assignment is failing.
  Error Logs: Check the IDOC error logs (transaction WE02 or WE05) for more details on the error and any related messages that can provide additional context.
  Configuration Review: Review the configuration settings for the IDOC type and message type to ensure they are set up correctly.
  Testing: Perform tests with sample data to isolate the issue and confirm that the IDOC can be processed successfully.
  
  Related Information:
  
  IDOC Types: Familiarize yourself with the specific IDOC type being used and its structure.
  Transaction Codes: Use transaction codes like WE02, WE05, and WE19 for monitoring and testing IDOCs.
  SAP Notes: Check for any relevant SAP Notes that may address known issues related to this error message.
  Documentation: Review SAP documentation for IDOC processing and error handling for more insights.
  
  By following these steps, you should be able to identify the root cause of the OQ_H102 error and implement a solution to resolve it.