Message type: E = Error
Message class:  /MVA/AMVRA_IMPEXPORT -  
Message number: 020
Message text: User parameters selected when started:
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.
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The SAP error message /MVA/AMVRA_IMPEXPORT020 typically indicates an issue related to user parameters when starting a specific transaction or process in the SAP system. This error can occur in the context of the SAP Advanced Planning and Optimization (APO) module or other related modules.
Cause: The error message usually arises due to one of the following reasons: Missing User Parameters: The user parameters required for the transaction or process are not set up correctly in the user profile. Incorrect User Settings: The user settings may be incorrect or incomplete, leading to the inability to execute the transaction. Authorization Issues: The user may not have the necessary authorizations to access the required parameters or execute the transaction. System Configuration: There may be issues with the system configuration or settings that affect how user parameters are processed.
Solution: To resolve the error, you can take the following steps: Check User Parameters: Go to transaction SU01 (User Maintenance) and enter the user ID
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