When I launch the Overwolf FTB App, I get a window with the FTB logo, cycling between full saturation and no saturation (grayscale), but nothing ever happens. When I pull up the FTB App background.html.log, I see this:
2021-03-16 09:28:42,060 (INFO) </dist/background/main.js> (24) - [2021-03-16 09:28:42] [INFO ] Front end connected: /127.0.0.1:1611
2021-03-16 09:28:42,333 (INFO) </dist/background/main.js> (24) - java.util.concurrent.CompletionException: java.lang.IllegalStateException: Unmapped relationship: 7
2021-03-16 09:28:42,334 (INFO) </dist/background/main.js> (24) - at java.base/java.util.concurrent.CompletableFuture.encodeThrowable(Unknown Source)
[...]
2021-03-16 09:28:42,342 (INFO) </dist/background/main.js> (24) - Caused by: java.lang.IllegalStateException: Unmapped relationship: 7
2021-03-16 09:28:42,343 (INFO) </dist/background/main.js> (24) - at com.sun.jna.platform.win32.WinNT$SYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX.fromPointer(WinNT.java:2999)
2021-03-16 09:28:42,060 (INFO) </dist/background/main.js> (24) - [2021-03-16 09:28:42] [INFO ] Front end connected: /127.0.0.1:1611
2021-03-16 09:28:42,333 (INFO) </dist/background/main.js> (24) - java.util.concurrent.CompletionException: java.lang.IllegalStateException: Unmapped relationship: 7
2021-03-16 09:28:42,334 (INFO) </dist/background/main.js> (24) - at java.base/java.util.concurrent.CompletableFuture.encodeThrowable(Unknown Source)
[...]
2021-03-16 09:28:42,342 (INFO) </dist/background/main.js> (24) - Caused by: java.lang.IllegalStateException: Unmapped relationship: 7
2021-03-16 09:28:42,343 (INFO) </dist/background/main.js> (24) - at com.sun.jna.platform.win32.WinNT$SYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX.fromPointer(WinNT.java:2999)