a Java.lang.NullPointerException accurance when Clicking on functions in project tree

I’m having a weird exception while modeling on Capella 1.20. Indeed, I get a wizard with a java.lang.NullPOinterException error message when I click on functions in my capella project explorer. Anybody got a similar issue? Do you have any idea what it could be?
He is the log I get and a screenshot of the wizard.

It occurs when you use Copy Paste on Capella project explorer.
For instance when you have copied a System Function and right click on a Logical Function.
It has been fixed on Capella 1.2.1. (issue:
ticket 1673)
Best Regards,

Thank you!

NullPointerException is a RuntimeException . Runtime exceptions are critical and cannot be caught at compile time. They crash the program at run time if they are not handled properly. When a class is instantiated, its object is stored in computer memory. The
NullPointerExceptions occur when you try to use a reference that points to no location in memory (null) as though it were referencing an object. These include:
Calling the instance method of a null object.
Accessing or modifying the field of a null object.
Throwing null as if it were a Throwable value.

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