ASP.NET Change Version menu is not accessible: An invalid URL was requested.

Symptoms

• The Domains > example.com > ASP.Net Settings > Change Version button fails with the error:

  Error: An invalid URL was requested.

Cause

Bug PPPM-13996 which was fixed in Plesk Obsidian 18.0.53.

Resolution

Consider to update Plesk.

• If an update is not possible for some reason, as a workaround, switch the version in Domains > example.com > Hosting & DNS > Hosting Settings menu instead.