How To Fix RSDME301 - Internal error; assignment to field symbols failed - &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDME -

• Message number: 301

• Message text: Internal error; assignment to field symbols failed - &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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDME301 - Internal error; assignment to field symbols failed - &1 ?

  The SAP error message RSDME301, which states "Internal error; assignment to field symbols failed - &1," typically indicates an internal issue within the SAP system, often related to data processing or field symbol assignments in ABAP programs. This error can occur in various contexts, such as during data extraction, reporting, or when working with InfoProviders in SAP BW (Business Warehouse).
  Causes:
  
  Data Type Mismatch: The error may arise if there is a mismatch in data types when assigning values to field symbols.
  Corrupted Data: If the data being processed is corrupted or not in the expected format, it can lead to this error.
  Programming Errors: Issues in custom ABAP code, such as incorrect handling of field symbols or pointers, can trigger this error.
  System Bugs: There may be bugs in the SAP system or specific versions of SAP BW that lead to this error under certain conditions.
  
  Solutions:
  
  Check Data Types: Ensure that the data types of the variables being assigned to field symbols match the expected types. This includes checking structures, tables, and any transformations being applied.
  Debugging: Use the ABAP debugger to trace the execution of the program and identify where the assignment to the field symbol fails. Look for any anomalies in the data being processed.
  Data Validation: Validate the data being processed to ensure it is not corrupted or in an unexpected format. This may involve checking the source systems or data loads.
  Review Custom Code: If the error occurs in custom ABAP programs, review the code for any logical errors or incorrect handling of field symbols.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or patches that address this specific error. There may be known issues with certain versions of SAP BW that have been resolved in later updates.
  System Logs: Review system logs (transaction SLG1) for additional error messages or warnings that may provide more context about the issue.
  
  Related Information:
  
  Field Symbols: In ABAP, field symbols are placeholders that can point to different data objects at runtime. Understanding how they work is crucial for debugging this error.
  SAP BW: If this error occurs in the context of SAP BW, it may be related to InfoObjects, DataSources, or transformations. Familiarity with these components can help in troubleshooting.
  SAP Community: Engaging with the SAP Community forums can provide insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to involve SAP support for further assistance.