Subfolder User / Cannot write in groupshare TM / languages ressources / field templates expected

We have a problem with language resources and field templates.

We have created users in a subfolder

Root Organization
  /subfolder

We have worked successfully like this for years without any particular errors.
Now we are using Trados Studio 2022 SR1 - 17.1.8.17828 and TMs from Groupshare GS: 15.1.9.12529 - GS 2020 SR1 CU09 and everything is different.

The users created in the subordinate directory can no longer write anything to the TMs. Language resources and field templates are expected when opening the projects. As there is no access to them (we have of course already saved a copy of them in the subordinate folder), the user would have to work with the standards. This obviously does not work.

The result is that the user cannot save his translation in the TM.

Does anyone here in the forum have any idea why this error occurs? Unfortunately, a solution is urgently needed.

Thanks in advance!!

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