You observe the following UI message: 'User interface has changed and needs to be restarted. Do you want to save your work?' while performing some activity in any screen in the system.
SAP Cloud for Customer
This message is raised when there is an Adaptation Change done by a Key User that would be applicable for all the business users.
For example: Change in the Page Layout.
You could verify these adaptation changes in Administrator work center → Adaptation Changes → Layout Change History.
This is an expected system behavior and the message is raised to indicate that there was an adaptation change that was done to the screen which the user is currently in. This is just an indicator and not an error message.
It is advisable to perform any significant adaptation changes during off-business hours in a productive environment.
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