Message type: E = Error
Message class:  RRKEB - Messages for Conversion Exits PERI6 / PERI7 
Message number: 007
Message text: Use input-screen format &1 for input
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 RRKEB007, which states "Use input-screen format &1 for input," typically occurs in the context of SAP Controlling (CO) when there is an issue with the input format of data being entered into a transaction or report. This error indicates that the system expects the data to be entered in a specific format, which is not being adhered to.
Cause: Incorrect Input Format: The most common cause of this error is that the user is entering data in a format that does not match the expected input format defined in the system. This could be due to incorrect data types, missing fields, or incorrect field lengths.
Configuration Issues: There may be configuration settings in the SAP system that define how data should be inputted, and if these settings are not aligned with the user's input, the error can occur. User Authorization: Sometimes, the user may not have the necessary authorizations to
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