I have also started getting this error message this week (I wasn’t using Gingko much in previous weeks, but it was the Christmas season), and my changes are not being saved when this error occurs. I am using Chrome on a couple of Chromebooks, with different amount of free disk space (17GB on one, 3.4GB on the other). I have two accounts in the household, and both give the same error, even though one has very few Gingko trees in it. The error is reproduced with all extensions turned off, and in Incognito mode. The error message is not entirely consistent (it happens more often on the 17GB machine, than on the 3.4GB machine, so that seems to make little sense). Also, when both trees are open on both machines (logged in as same user), the one with more free space (17GB) gives the error message and wouldn’t save changes, but when I make changes to the same tree in the 3.4GB machine, the changes are saved and displayed in both. The two Chromebooks are near perfect copies of each other, i.e. all extensions and most apps are installed on both and both browsers are synced with each other and local data is synced with Google Drive (where I have 107GB free space). This is kind of a critical issue as it is preventing me from using the app, so I’m hoping some kind of a solution could be found soon. Restarting the browser didn’t help. I’m on Version 64.0.3282.41 (Official Build) beta (64-bit) on the 17GB machine, and Version 62.0.3202.97 (Official Build) (32 bit) on the 3.4GB one. I will test later whether this problem also occurs on my Windows 7 machine.
Update: Gingko (web version) works fine on my Windows 7 laptop. Right now the problem is only occurring on my Dell Chromebook 13 (model 7310). It has a 32GB SSD, and 17.1GB is free for my use. Any suggestion how I could stop this error from happening? (Gingko on my other Chromebook, with a 16GB SSD and 3.6GB free space, is working fine.) Thanks.