Error when adding a new release

Good day!

After clicking on the "Add - Software release" a new window displays the error (the picture in the attachment). The log file contains error "Attempt to save messaging resource with guid a3f47e16-200c-4247-9e2a-886e1278bc8e has been blocked by the Host Resource Blacklist" and "Failed to process NSE", but I think that they have nothing to do with the addition of the new release.

What actions should be taken to fix the error?

I will be glad to any comments.