Null update scripts

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I get some null scripts when generating the scripts. What could be the reason?

Hi

Thanks for you feedback!
Please provide product versions.
Go to main menu: CUBA -> Welcome -> “Product Versions” section on the Welcome screen -> Copy

CUBA Platform version: 7.2.7
CUBA Studio plugin version: 13.1-191
IntelliJ version: CUBA Studio 2019.2

Please download latest CUBA Studio version here (CUBA Studio 2019.3, plugin 14.3-193).
And check if the issue still reproduces.

Noted, Thanks, I will.