Can't add a new domain in Plesk 11.5

[richard gordon]

Have the following error message: ProtDir_IIS::update() failed: Add Protected Directory failed: columns siteId, path are not unique (Error code 1)

I followed the three fixes on the forum without success. Any ideas

 

[IgorG]

Have you tried fix from this KB article? http://kb.odin.com/en/116590