How To Fix MAT_MESSAGES007 - Error occurred when converting proxy field: '&1'.

SAP Error Message - Details

• Message type: E = Error

• Message class: MAT_MESSAGES -

• Message number: 007

• Message text: Error occurred when converting proxy field: '&1'.

Self-Explanatory Message

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MAT_MESSAGES007 - Error occurred when converting proxy field: '&1'. ?

  The SAP error message MAT_MESSAGES007 indicates that there was an issue when converting a proxy field, specifically the field represented by &1. This error typically occurs in the context of data transfer or integration scenarios, such as when using SAP Process Integration (PI) or SAP Process Orchestration (PO).
  Cause
  The error can be caused by several factors, including:
  
  
  Data Type Mismatch: The data type of the field in the source system does not match the expected data type in the target system. For example, if a numeric field is being sent as a string, this can lead to conversion errors.
  
  
  Invalid Data Format: The data being sent may not conform to the expected format. For instance, if a date is expected in a specific format (e.g., YYYY-MM-DD) but is provided in another format (e.g., DD/MM/YYYY), this can trigger the error.
  
  
  Null or Empty Values: If the field being converted is null or empty and the target system does not accept such values, it can lead to conversion errors.
  
  
  Mapping Issues: If there are issues in the mapping configuration between the source and target systems, it can lead to incorrect data being sent or received.
  
  
  Proxy Configuration Errors: There may be issues in the configuration of the proxy itself, such as incorrect settings or missing parameters.
  
  
  Solution
  To resolve the error, you can take the following steps:
  
  
  Check Data Types: Verify that the data types of the fields in the source and target systems match. Ensure that the data being sent is in the correct format.
  
  
  Validate Data Format: Ensure that the data being sent adheres to the expected format. If necessary, implement data transformation logic to convert the data into the correct format before sending it.
  
  
  Handle Null Values: Implement checks to handle null or empty values appropriately. If the target system does not accept null values, consider providing default values or handling them in the mapping.
  
  
  Review Mapping Configuration: Check the mapping configuration in the integration scenario to ensure that all fields are correctly mapped and that there are no missing or incorrect mappings.
  
  
  Debugging: Use debugging tools available in SAP PI/PO to trace the message flow and identify where the conversion is failing. This can provide insights into the specific field causing the issue.
  
  
  Consult Documentation: Refer to SAP documentation or community forums for additional guidance on the specific error message and related troubleshooting steps.
  
  
  Related Information
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  Integration Monitoring: Use the integration monitoring tools in SAP PI/PO to track the message and identify any other related errors or warnings.
  Community Forums: Engage with SAP community forums or support channels for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the root cause of the MAT_MESSAGES007 error and implement a suitable solution.