IntegratedServer is only avaiable on the client. Server side, the server is always available. Fixes
"compatibilityLevel": "JAVA_8",
"mixins": [
"threadchecks.MixinSpongeImplHooks_ThreadChecks",
- "threadchecks.MixinIntegratedServer_ThreadChecks",
"threadchecks.MixinMinecraftServer_ThreadChecks"
],
"server": [
],
"client": [
+ "threadchecks.MixinIntegratedServer_ThreadChecks"
],
"injectors": {
"defaultRequire": 1
