Nginx proxy manager issues after moving to new app pool

Hello all,
I have truenas scale with a dedicated application pool on ssd. Unfortunately the internal truenas application pool pointed to my data pool, therefore, I had to “move” (delete my applications in data pool and recreate the applications in the new pool) which worked fine, all applications are working as before, except my nginx proxy manager, which is running, but if i try to open the source I always get the connection refused message. I tried with the old configuration and I reinstalled the NPM and configured it from scratch, the connection is always refused.