### Begin of the insertionFeature description to be added



End of the insertion Steps to reproduce

_Please write down the steps to reproduce. Try to write down all necessary preconditions (what permissions do you have, are other users involved?). Example:_

1. Create a global resource plan

2. Try to add JA-14 and JA-16


### What is the buggy behavior?

_Please describe the bug in as much detail as possible. Example:_

* Both work packages can not be added.


### What is the expected behavior?

_Describe how the application should behave like. Example:_

1. Work packages from all projects can be added. 


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