Script:UI_DLG_BOX:@=HTMLEditorDlgTitle line:38
html.object.ExecCommand(5012,0,f)
OLE Automation Error.Source is htmlfile."
Unspecified error."

I'm trying to open a v10.5 project in v11, and on all my grids, when i try to edit any property that pops up in an HTML Editor, I get an error similar to the above.

screenshot2b.JPG

After clicking on OK, i get a blank window:

screenshot2a.JPG

Anyone have any suggestions as to how to fix this?