I have 3 domains / virtual hosts setup and 1 of them is working perfectly. However the 2 other are setup identical but have this problem.
I did also sudo service apache2 reload to take the new settings but nothing has happened.
Thank you very much for your help.
These answers are provided by our Community. If you find them useful, show some love by clicking the heart. If you run into issues leave a comment, or add your own answer to help others.