Message type: E = Error
Message class:  /SAPAPO/SALES -  
Message number: 121
Message text: Planning version for copy target has not been specified
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The SAP error message /SAPAPO/SALES121 indicates that a planning version for the copy target has not been specified in the context of SAP Advanced Planning and Optimization (APO). This error typically occurs when you are trying to copy data from one planning version to another, but the target planning version is not defined.
Cause: Missing Target Planning Version: The most common cause of this error is that the target planning version has not been specified in the transaction or function you are using.
Configuration Issues: There may be issues with the configuration of the planning versions in the system. User Input Error: The user may have overlooked entering the target planning version in the relevant fields.
Solution: To resolve this error, you can follow these steps: Specify the Target Planning Version: When executing the transaction that leads to this error, ensure that you have specified a valid target planning version in the appropriate field. If you are using a
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