Message type: E = Error
Message class:  UPGBA_IMPANA - Messages used by Upgrade Impact Analysis 
Message number: 010
Message text: Function &1 can only be executed by user DDIC
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The SAP error message UPGBA_IMPANA010 indicates that a specific function (denoted by &1) can only be executed by the user DDIC. This is a common error encountered during system upgrades or when performing certain administrative tasks in SAP.
Cause: The error occurs because the function or transaction you are trying to execute requires special authorization that is only granted to the DDIC user. The DDIC user is a special user in SAP that has all the necessary permissions to perform system-level tasks, including data dictionary operations and certain upgrade-related functions.
Solution: To resolve this error, you can take the following steps: Use the DDIC User: If you have access to the DDIC user credentials, you can log in as DDIC and execute the function. However, this is generally not recommended for regular operations due to security concerns. Authorization Check: If you do not have access to the DDIC user, you should check with your SAP Basis
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