Message type: E = Error
Message class:  S_CUS_IMG_ACTIVITY - IMG Activity 
Message number: 097
Message text: Enter a comment
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 S_CUS_IMG_ACTIVITY097, which states "Enter a comment," typically occurs when you are trying to save or execute a transaction in the SAP system that requires a comment or description to be entered. This is often seen in the context of customizing activities or when making changes in the Implementation Guide (IMG).
Cause: The error is triggered because the system expects a comment to be provided for the activity you are trying to perform. This is a common requirement in SAP to ensure that changes are documented for future reference and auditing purposes.
Solution: To resolve this error, you need to provide a comment in the designated field. Here are the steps to do so: Locate the Comment Field: When you encounter the error, look for a field labeled "Comment" or "Description" in the dialog box or screen where you are working. Enter a Comment: Type a brief and meaningful comment that describes the
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