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    Thrown to indicate that a method has been passed an illegal or inappropriate argument. Make sure your getter and setter methods have the same return/parameter types (that is, String for String, Integer for Integer).

Solutions on the web

via techrocket.com by Unknown author, 1 year ago
Can not set static cpw.mods.fml.common.Mod$Metadata field com.myfirstmod.MyFirstMod.MyFirstMod.meta to cpw.mods.fml.common.ModMetadata
via Google Groups by Mario Lim, 8 months ago
Can not set com.google.gwt.core.client.JavaScriptObject field com.gwtext.client.core.JsObject.jsObj to com.gwtext.client.widgets.JsonView
via minecraftforge.net by Unknown author, 2 years ago
Can not set static oortcloud.hungryanimals.HungryAnimals field oortcloud.hungryanimals.HungryAnimals.instance to com.example.examplemod.ExampleMod
via Google Groups by Athena, 9 months ago
Can not set com.sun.jna.platform.win32.WinDef$SHORT field com.sun.jna.platform.win32.Variant$VARIANT$_VARIANT$__VARIANT.iVal to java.lang.Short
via Stack Overflow by Gaurav
, 2 years ago
Can not set com.sampleApp.api.CustomDataSourceImpl field com.sampleApp.api.ConnectorManagementBean.dataSource to org.jboss.jca.adapters.jdbc.WrapperDataSource
via hs-rm.de by Unknown author, 1 year ago
Can not set de.fhw.komponentenarchitekturen.knauf.stateless.GeometricModelLocal field org.apache.jsp.GeometricModelTest_jsp.geometricModelLocal to $Proxy245
java.lang.IllegalArgumentException: Can not set static cpw.mods.fml.common.Mod$Metadata field com.myfirstmod.MyFirstMod.MyFirstMod.meta to cpw.mods.fml.common.ModMetadata	at sun.reflect.UnsafeFieldAccessorImpl.throwSetIllegalArgumentException(UnsafeFieldAccessorImpl.java:164)	at sun.reflect.UnsafeFieldAccessorImpl.throwSetIllegalArgumentException(UnsafeFieldAccessorImpl.java:168)	at sun.reflect.UnsafeStaticObjectFieldAccessorImpl.set(UnsafeStaticObjectFieldAccessorImpl.java:79)	at java.lang.reflect.Field.set(Field.java:741)	at cpw.mods.fml.common.FMLModContainer.parseSimpleFieldAnnotation(FMLModContainer.java:407)	at cpw.mods.fml.common.FMLModContainer.processFieldAnnotations(FMLModContainer.java:346)	at cpw.mods.fml.common.FMLModContainer.constructMod(FMLModContainer.java:493)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)	at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)	at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)	at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)	at com.google.common.eventbus.EventBus.post(EventBus.java:275)	at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:208)	at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:187)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)	at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)	at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)	at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)	at com.google.common.eventbus.EventBus.post(EventBus.java:275)	at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:118)	at cpw.mods.fml.common.Loader.loadMods(Loader.java:492)	at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:204)	at net.minecraft.client.Minecraft.startGame(Minecraft.java:522)	at net.minecraft.client.Minecraft.run(Minecraft.java:931)	at net.minecraft.client.main.Main.main(Main.java:164)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)	at net.minecraft.launchwrapper.Launch.main(Launch.java:28)	at net.minecraftforge.gradle.GradleStartCommon.launch(Unknown Source)	at GradleStart.main(Unknown Source)