Lastpass extension has been known to cause issues with roll20's input fields. Would you happen to be using the sheet in another language? The latest German translation is currently causing problems. <a href="https://app.roll20.net/forum/post/6200863/campaign" rel="nofollow">https://app.roll20.net/forum/post/6200863/campaign</a>... Have you tried using FF? You might go ahead run through the normal troubleshooting procedures to help the Mods/Devs solve your problem; Detailed description of the problem Minimum number of steps to reproduce the problem Description of setup 1. Browser + Version 2. Browser Addons/Extensions 3. Operating System Bug Triage Results Please carefully work through to the first three steps of our guide to Solving Technical Issues : Step 1: Make sure to use the right browser Please check if these issues persist when using both Chrome and Firefox. Step 2: Ensure that there are no extensions/addons interfering with Roll20 Please disable all add-ons/extensions and anti-virus programs. Step 3: Clear your cache If none of the above succeed in resolving the problem, please thoroughly work through Step 4 . (Don't forget the complete Console Log!) Supplemental Information Including screenshots by using the "Attach a File" link when submitting a post can provide a great deal of information! The more information you can provide, the better able a fix will be reached.