error 13008/13014

Hi all

I had an internet line crash and since then I´m not able to open my iTunes library.

I always get an error mostly 13008 sometimes 13014. My library is on a NAS.

What I have tried:

- I have tried the main library and a copy of it

- I restarted router, NAS, macbook

- Have created a new library locally, iTunes starts but when trying to open another one external, same error

-have moved the itdb files to another folder

Same behaviour on desktop and notebook.

I have sierra running, iTunes 12.7.4

Any ideas? To get restarted my lib?

Thanks a lot in advance.