@cedar marlin uploaded a log,
- Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_381
- Forge 11.15.1.2318 on 1.8.9
- OptiFine M5
Recommendations:
- Unless you know what you're doing, modifying your JVM args could have unintended side effects. It's best to use the defaults.