How To Fix MMPUR_CAT_EXTR_LGMSG054 - Page &1 has invalid JSON format

SAP Error Message - Details

• Message type: E = Error

• Message class: MMPUR_CAT_EXTR_LGMSG - Extractor Log Messages

• Message number: 054

• Message text: Page &1 has invalid JSON format

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 MMPUR_CAT_EXTR_LGMSG054 - Page &1 has invalid JSON format ?

  The SAP error message MMPUR_CAT_EXTR_LGMSG054 indicates that there is an issue with the JSON format of the data being processed in the SAP system, specifically in the context of the SAP Ariba or SAP S/4HANA procurement modules. This error typically arises when the system is trying to parse or process JSON data that does not conform to the expected format.
  Cause:
  
  Malformed JSON: The JSON data being sent to the SAP system may have syntax errors, such as missing commas, brackets, or quotes.
  Incorrect Data Types: The JSON may contain data types that are not expected by the SAP system (e.g., a string where a number is expected).
  Encoding Issues: There may be issues with character encoding that lead to invalid characters in the JSON string.
  Data Length Exceeded: The JSON data might exceed the maximum length allowed for certain fields.
  API Changes: If there have been recent changes to the API or the expected JSON structure, the data being sent may no longer be valid.
  
  Solution:
  
  Validate JSON Format: Use a JSON validator tool to check the structure of the JSON data. Ensure that it adheres to the correct syntax.
  Check Data Types: Review the expected data types for each field in the JSON and ensure that the data being sent matches these expectations.
  Review Encoding: Ensure that the JSON data is properly encoded, especially if it contains special characters.
  Debugging: If possible, enable debugging or logging in the SAP system to capture the exact JSON being processed. This can help identify the specific issue.
  Consult Documentation: Review the relevant SAP documentation or API specifications to ensure that the JSON structure being used is correct and up to date.
  Test with Sample Data: Create a small sample JSON payload that is known to be valid and test it to see if the error persists. This can help isolate the issue to specific data points.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on JSON formatting issues.
  Community Forums: Look for discussions in SAP Community forums or other user groups where similar issues may have been reported and resolved.
  API Documentation: Review the API documentation for the specific SAP module you are working with to ensure compliance with the expected JSON structure.
  
  By following these steps, you should be able to identify and resolve the issue causing the MMPUR_CAT_EXTR_LGMSG054 error in your SAP system.