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

Q0164 - Overview

• 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