Message type: E = Error
Message class:  AQV - Message texts for SAP Query 
Message number: 050
Message text: Function is obsolete
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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The SAP error message AQV050, which states "Function is obsolete," typically indicates that a particular function or transaction code you are trying to use has been deprecated or replaced by a newer version or alternative in the SAP system. This can happen due to updates, enhancements, or changes in the software that SAP implements over time.
Cause: Obsolescence of Functionality: The function you are trying to access has been marked as obsolete in the current version of SAP. This could be due to a shift in best practices, technological advancements, or the introduction of new functionalities. Version Upgrade: If your SAP system has been upgraded, certain functions may no longer be supported. Custom Code: If the function is part of a custom development, it may have been flagged as obsolete due to changes in the underlying SAP framework.
Solution: Check Documentation: Review the SAP documentation or release notes for your version to find out what has
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