...
Click on the relevant section that has been marked as missing information. A drop down section will indicate which mandatory field has not been filled out. This will be marked with the text ‘Mandatory information’ in red.
By pressing the red "Mandatory information" text, the system directs the user directly to the part of the form where the information is missiing. Mandatory information must be entered, after which the you can go to the "Preview and Publish" tab again to review the information
When all required information has been entered, a green check mark will appear on each request tab and an "OK, publish" button will appear at the bottom of the page.
...