disable error reporting in dev environment

build.gradle.kts

@@ -60,6 +60,7 @@ val serverMinHeap = "2G"
 val serverMaxHeap = "8G"
 //Valid values are: none, truecolor, indexed256, indexed16, indexed8
 val color = "truecolor"
+val errorReporting = false
 
 val nmsBindings = mapOf(
         "v1_21_R4" to "1.21.5-R0.1-SNAPSHOT",
@@ -103,6 +104,7 @@ nmsBindings.forEach { key, value ->
         systemProperty("disable.watchdog", "")
         systemProperty("net.kyori.ansi.colorLevel", color)
         systemProperty("com.mojang.eula.agree", true)
+        systemProperty("iris.errorReporting", errorReporting)
     }
 }