the virtuoso tells me :argument #1 should be addUserType (type template = 'b') -nil

hi,

i meet the similar problem to you. i dont know which file was deleted or which application will disturbe the virtuoso.

The virtuoso tells me an error: ddMapGetFileViewType: argument #1 should be addUserType (type template = " b") -nil how can i solve this problem? Any guides or helps will be pleased.

Regard

Calla