How To Fix ISSR050 - Internal error; invalid message or invalid message type

SAP Error Message - Details

• Message type: E = Error

• Message class: ISSR - Message Class for Statutory Reporting

• Message number: 050

• Message text: Internal error; invalid message or invalid message type

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.

What else can you do?

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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message ISSR050 - Internal error; invalid message or invalid message type ?

  The SAP error message ISSR050 ("Internal error; invalid message or invalid message type") typically indicates that there is an issue with the message processing in the SAP system, particularly in the context of the SAP IS-Retail module or related areas. This error can arise due to various reasons, including configuration issues, data inconsistencies, or problems with the message types being used.
  Causes:
  
  Invalid Message Type: The message type being processed may not be recognized by the system, possibly due to incorrect configuration or a missing entry in the relevant tables.
  Data Inconsistencies: There may be inconsistencies in the data being processed, such as missing or incorrect fields that are required for the message type.
  Configuration Issues: The configuration settings for the message processing may not be set up correctly, leading to the system being unable to handle the message appropriately.
  Custom Development: If there are custom developments or enhancements in the system, they may not be handling the messages correctly, leading to this error.
  System Bugs: There may be bugs in the SAP system or specific patches that need to be applied.
  
  Solutions:
  
  
  Check Message Type Configuration:
  
  Verify that the message type being used is correctly configured in the system. Check the relevant customizing settings in the SAP IMG (Implementation Guide).
  Ensure that the message type is defined in the appropriate tables (e.g., TISSRMSG).
  
  
  
  Review Data:
  
  Check the data being processed for any inconsistencies or missing fields. Ensure that all required fields are populated correctly.
  If possible, try to replicate the error with a smaller dataset to isolate the issue.
  
  
  
  Debugging:
  
  If you have access to debugging tools, you can analyze the program or function module that is generating the error. This may provide insights into what is causing the invalid message type.
  
  
  
  Check for Notes and Patches:
  
  Look for SAP Notes related to this error message. SAP frequently releases notes that address known issues or bugs.
  Apply any relevant patches or updates to your SAP system.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation for the IS-Retail module or the specific area where the error is occurring. This may provide additional context or troubleshooting steps.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you are unable to resolve it, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including any relevant logs or screenshots.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as SE80 (Object Navigator), SE37 (Function Module), or SLG1 (Application Log).
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  Testing Environment: If possible, replicate the issue in a testing environment to avoid impacting production data while troubleshooting.
  
  By following these steps, you should be able to identify the root cause of the ISSR050 error and implement a suitable solution.