How To Fix CNV_OT_APPL_PE034 - Field symbol assignment for field &1 failed

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_OT_APPL_PE - Messages for application specific functions

• Message number: 034

• Message text: Field symbol assignment for field &1 failed

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 CNV_OT_APPL_PE034 - Field symbol assignment for field &1 failed ?

  The SAP error message CNV_OT_APPL_PE034 with the description "Field symbol assignment for field &1 failed" typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data transfer tools. This error indicates that there is an issue with the assignment of a field symbol to a specific field in the data structure, which can be caused by various factors.
  Causes:
  
  Data Structure Mismatch: The field symbol is trying to reference a field that does not exist in the target structure or has a different data type.
  Field Length Issues: The length of the data being assigned to the field may exceed the defined length of the target field.
  Incorrect Mapping: The mapping of source fields to target fields may be incorrect, leading to an attempt to assign a field symbol to a non-existent field.
  Data Type Incompatibility: The data type of the source field may not be compatible with the target field, causing the assignment to fail.
  Configuration Issues: There may be issues in the configuration of the migration or conversion process that lead to this error.
  
  Solutions:
  
  Check Field Mapping: Review the mapping of fields between the source and target structures to ensure that all fields are correctly mapped and exist in both structures.
  Validate Data Types: Ensure that the data types of the source fields match those of the target fields. If there are discrepancies, adjust the data types accordingly.
  Adjust Field Lengths: Verify that the lengths of the data being transferred do not exceed the defined lengths of the target fields. If necessary, truncate or modify the data to fit.
  Review Migration Configuration: Check the configuration settings of the migration or conversion process to ensure that they are set up correctly.
  Debugging: If you have access to the ABAP code, you can debug the program to identify where the field symbol assignment is failing and gather more context about the error.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration or conversion process you are using for any known issues or additional troubleshooting steps.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on data migration issues.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Testing: Conduct tests with smaller datasets to isolate the issue and determine if it is data-specific or a broader configuration problem.
  
  By following these steps, you should be able to identify the root cause of the CNV_OT_APPL_PE034 error and implement a suitable solution.