Mine is the same so I Googled it. It seems this isn't a new problem; I found discussions about the same bug in CC2017.The 'Use Legacy "New Document" Interface option on Preference is Greyed out. So we are unable to open new document with the new interface. Help please
Mine is the same so I Googled it. It seems this isn't a new problem; I found discussions about the same bug in CC2017.
I couldn't find a fix or workaround for the bug in this version. As far as I can tell, the only way to get rid of it is to go back to version 21.0.3 which is not a great solution.