Error message does not stay fixed at the top when the VBCS application is embedded in oracle fusion

Summary:

Error message does not stay fixed at the top when the VBCS application is embedded in oracle fusion using application extension approach.

Content (please ensure you mask any confidential information):

When we run the Oracle VBCS application standalone, any error messages that appear always stay at the top of the page, even if we scroll up and down the application.
However, when the same application is embedded in Oracle Fusion, it behaves differently.

Here’s the issue:

When the user scrolls down, the error message doesn’t stay fixed at the top, and it scrolls up with the page. user has to scroll up to see the messages.