How To Fix UC779 - Offset is greater than/equal to sender field &2 length &1

SAP Error Message - Details

• Message type: E = Error

• Message class: UC - FI/CO Data transfer: errors during transfer

• Message number: 779

• Message text: Offset is greater than/equal to sender field &2 length &1

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message UC779 - Offset is greater than/equal to sender field &2 length &1 ?

  The SAP error message UC779 "Offset is greater than/equal to sender field &2 length &1" typically occurs in the context of data transfer or data mapping, particularly when dealing with structures or fields in ABAP programs or data interfaces. This error indicates that there is an issue with the offset specified for a field in a data structure, which is either too large or incorrectly defined.
  Cause:
  
  Incorrect Offset Definition: The offset specified for a field in a structure is greater than or equal to the length of the sender field. This means that the program is trying to access a part of the data that does not exist.
  Data Structure Mismatch: There may be a mismatch between the expected data structure and the actual data being processed. This can happen if the data structure has been changed but the corresponding code has not been updated.
  Data Mapping Errors: If you are using data mapping tools or interfaces, the mapping configuration may have incorrect offsets defined.
  
  Solution:
  
  Check the Offset Value: Review the code or configuration where the offset is defined. Ensure that the offset is less than the length of the sender field. Adjust the offset value accordingly.
  Review Data Structures: Verify that the data structures being used match the expected definitions. If there have been changes to the structure, ensure that all related code and configurations are updated.
  Debugging: Use debugging tools to trace the execution of the program and identify where the error occurs. This can help pinpoint the exact location and cause of the issue.
  Consult Documentation: If you are using standard SAP interfaces or BAPIs, refer to the relevant SAP documentation to ensure that you are using the correct field definitions and offsets.
  Testing: After making changes, thoroughly test the program or interface to ensure that the error is resolved and that data is being processed correctly.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Data Dictionary: Use transaction SE11 to review the data dictionary definitions for the structures involved. This can help you understand the expected lengths and offsets.
  ABAP Development: If you are an ABAP developer, familiarize yourself with the concepts of data types, structures, and offsets in ABAP programming to prevent similar issues in the future.
  
  By following these steps, you should be able to identify and resolve the cause of the UC779 error in your SAP environment.