I'm having a similar problem on Mac OS Sierra 10.12.6 using Servoy 8.2.2. It was working fine earlier today. Then all of a sudden pop-ups start happening: "
Unhandled event loop exception Unknown error". Click Ok. Then another pop-up Internal Error.
"An SWT error has occurred. You are recommended to exit the workbench. Subsequent errors may happen and may terminate the workbench without warning..." Noticed Java automatically updated today around the time this started happening. I removed the JavaAppletPlugin.plugin folder from /Library/Internet Plug-Ins/ to see if this would fix it but it didn't.
Also, tried using a new workspace, this didn't fix it. Also, tried starting eclipse with -clean.
Also, tried increasing memory in servoy.ini file to 2G.
Note: the current JDK will not work with Servoy, jdk1.8.0_152.jdk. In order to get Servoy working in the first place I had to delete this version and use an earlier version.
Now looks like I'm having another Java incompatibility problem with Servoy. My log has similar entries as the ones shown here.
Anyone got some suggestions on how to fix this "
Unhandled event loop exception Unknown error"?