It happened after a while of using Defold. After Particle Editor of a particlefx looked to be hanged up for a while (not responding to mouse clicks, but rest of the Editor was working) I closed that editor and opened the same particlefx again. The Error window appeared and I was seeing nothing (as above on the screenshot.
Closing and reopening the Particle Editor does not help.
Closing and reopening the project solves the issue.
- 1.2.181 and previous, checking if it will occur in 1.2.182
- Platforms: Windows 10
- Device: Dell i5-10210U 16 GB RAM
Workaround:
Reopen project.
Screenshot: