Error while saving Invoice when we use Page composer

Summary:

I am trying to auto-populate the supplier number field to the Invoice Number for Prepayment through Page Composer using Sandbox, it is showing supplier number prefilled but while saving it's giving the error as You must provide a value for the Number attribute

Content (please ensure you mask any confidential information):

No Confidential info

Version (include the version you are using, if applicable):

Oracle Fusion Cloud Applications24A (11.13.24.01.0)

Code Snippet (add any code snippets that support your topic, if applicable):