How To Fix ISSR804 - Assignment of value to field & not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: ISSR - Message Class for Statutory Reporting

• Message number: 804

• Message text: Assignment of value to field & not possible

What causes this issue?

The system cannot assign a value to field &V1&.

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?

Check the field assignment table (converter). The field names entered
there may contain errors.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ISSR804 - Assignment of value to field & not possible ?

  The SAP error message ISSR804, which states "Assignment of value to field & not possible," typically occurs in the context of data processing or field assignments within SAP systems, particularly in the context of the IS-IS (Industry Solution for Insurance) module. This error indicates that there is an issue with assigning a value to a specific field, which could be due to various reasons.
  Causes:
  
  Field Type Mismatch: The value being assigned to the field does not match the expected data type (e.g., trying to assign a string to a numeric field).
  Field Length Exceeded: The value being assigned exceeds the maximum length defined for the field.
  Field Not Editable: The field may be set as read-only or not editable in the current context.
  Missing Required Data: The assignment may depend on other fields or data that are not present or not correctly populated.
  Custom Code Issues: If there are custom enhancements or modifications in the system, they may be causing the error due to incorrect logic or assumptions.
  
  Solutions:
  
  Check Field Definitions: Verify the data type and length of the field in the data dictionary (SE11) to ensure that the value being assigned is compatible.
  Review Input Data: Ensure that the data being assigned is valid and meets all necessary criteria (e.g., format, length).
  Debugging: If you have access to the ABAP code, use the debugger to trace where the error occurs and inspect the values being assigned.
  Check Field Properties: Ensure that the field is not set to read-only in the context where the assignment is being made.
  Consult Documentation: Review any relevant documentation or notes related to the specific transaction or process you are working with to identify any known issues or requirements.
  Contact Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  Related Information:
  
  Transaction Codes: Depending on where the error occurs, you may want to check specific transaction codes related to the IS-IS module.
  SAP Notes: Search for SAP Notes related to the ISSR804 error message in the SAP Support Portal for any patches or updates that may address the issue.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to diagnose and resolve the ISSR804 error in your SAP system.