It might be helpful for you to complete the support template in its entirety. That said, I’m going to give you some steps to try. If they don’t work, please do report back and complete the template when you do.
I see several errors in your diagnostics logging. There are connectivity errors as well as errors surrounding your file library. These may not be causing the problem but it’s certainly worth a shot to fix them and see what happens from there. I’m going to
Connectivity errors:
Setting your primary and secondary DNS on your router to either Google or Cloudfare could help here. Google’s primary DNS server is 8.8.8.8 and the secondary is 8.8.4.4. Cloudfare’s primary is 1.1.1.1 and the secondary is 1.0.0.1. Please consult your router’s manual for specific instructions. If you can’t find the area to make the change you can provide the make/model here and we’ll do our best to help.
Errors with storage:
Most of the errors are in relation to your iTunes folder and are related to unsupported formats. You might benefit from a library cleanup (Roon>Settings>Library).