How To Fix Q0164 - Internal error: Return value for switch &1 missing

SAP Error Message - Details

• Message type: E = Error

• Message class: Q0 - QM: Generally valid messages

• Message number: 164

• Message text: Internal error: Return value for switch &1 missing

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 Q0164 - Internal error: Return value for switch &1 missing ?

  The SAP error message Q0164, which states "Internal error: Return value for switch &1 missing," typically indicates that there is an issue with the configuration or implementation of a switch in the SAP system. This error can occur in various contexts, often related to quality management or other modules where switches are used to control functionality.
  Cause:
  
  Missing Configuration: The switch referenced in the error message may not be properly configured in the system. This could be due to missing entries in the relevant customizing tables.
  Inconsistent Data: There may be inconsistencies in the data related to the switch, such as missing or incorrect values.
  Program Logic Error: There could be a bug or oversight in the ABAP code that is trying to access the switch, leading to a situation where the expected return value is not available.
  Transport Issues: If the switch was recently transported from another system, it may not have been fully or correctly transported, leading to missing configurations.
  
  Solution:
  
  Check Configuration: Verify the configuration settings for the switch in question. Ensure that all necessary entries are present and correctly set up.
  Review Customizing Tables: Look into the relevant customizing tables (e.g., TQSWI for switches) to ensure that the switch is defined and has the appropriate return values.
  Debugging: If you have access to the ABAP code, you can debug the program to identify where the error occurs and why the return value is missing. This may involve checking the logic that retrieves the switch value.
  Check Transport Logs: If the issue arose after a transport, check the transport logs to ensure that all necessary objects were included and correctly imported.
  SAP Notes: Search for relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide fixes or workarounds for known issues.
  Consult Documentation: Review the documentation for the specific module or functionality where the error occurs to ensure that all prerequisites and configurations are met.
  
  Related Information:
  
  SAP Support: If the issue persists after checking the above points, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including the context in which it occurs and any steps you have already taken to resolve it.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  System Logs: Check the system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.