diff --git a/engine/server/library/serverScript/src/shared/JavaLibrary.cpp b/engine/server/library/serverScript/src/shared/JavaLibrary.cpp
index b1df5f35..c373980a 100755
--- a/engine/server/library/serverScript/src/shared/JavaLibrary.cpp
+++ b/engine/server/library/serverScript/src/shared/JavaLibrary.cpp
@@ -1955,6 +1955,7 @@ bool JavaLibrary::registerNatives(const JNINativeMethod natives[], int count)
 		{
 			ms_env->ExceptionClear();
 			DEBUG_REPORT_LOG(true, ("RegisterNatives failed: %s: %s\n", natives[i].name, natives[i].signature));
+			WARNING(true, ("RegisterNatives failed: could not register Java method: %s: with signature %s (does it exist in the codebase?)\n", natives[i].name, natives[i].signature));
 			result = lresult;
 		}
 	}
diff --git a/engine/server/library/serverScript/src/shared/ScriptMethodsCollection.cpp b/engine/server/library/serverScript/src/shared/ScriptMethodsCollection.cpp
index 080d7994..396e6d90 100755
--- a/engine/server/library/serverScript/src/shared/ScriptMethodsCollection.cpp
+++ b/engine/server/library/serverScript/src/shared/ScriptMethodsCollection.cpp
@@ -90,7 +90,7 @@ bool ScriptMethodsCollectionNamespace::install()
 		JF("getCollectionSlotCategoryInfo", "(Ljava/lang/String;)[Ljava/lang/String;", getCollectionSlotCategoryInfo),
 		JF("getCollectionSlotPrereqInfo", "(Ljava/lang/String;)[Ljava/lang/String;", getCollectionSlotPrereqInfo),
 		JF("getCollectionSlotName", "(I)Ljava/lang/String;", getCollectionSlotName),
-		JF("getCollectionSlotMaxValue", "(Ljava/lang/String;)J", getCollectionSlotMaxValue),
+		//JF("getCollectionSlotMaxValue", "(Ljava/lang/String;)J", getCollectionSlotMaxValue),
 		JF("getAllCollectionSlotsInCollection", "(Ljava/lang/String;)[Ljava/lang/String;", getAllCollectionSlotsInCollection),
 		JF("getAllCollectionSlotsInPage", "(Ljava/lang/String;)[Ljava/lang/String;", getAllCollectionSlotsInPage),
 		JF("getAllCollectionsInPage", "(Ljava/lang/String;)[Ljava/lang/String;", getAllCollectionsInPage),
diff --git a/engine/server/library/serverScript/src/shared/ScriptMethodsPermissions.cpp b/engine/server/library/serverScript/src/shared/ScriptMethodsPermissions.cpp
index 45e0981e..3d2c7d2f 100755
--- a/engine/server/library/serverScript/src/shared/ScriptMethodsPermissions.cpp
+++ b/engine/server/library/serverScript/src/shared/ScriptMethodsPermissions.cpp
@@ -66,7 +66,7 @@ const JNINativeMethod NATIVES[] = {
 	JF("_permissionsMakePublic", "(J)V", permissionsMakePublic),
 	JF("_permissionsMakePrivate", "(J)V", permissionsMakePrivate),
 	JF("_expelFromBuilding", "(J)V", expelFromBuilding),
-	JF("_sendDirtyCellPermissionsUpdateToClient", "(JJZ)V", sendDirtyCellPermissionsUpdateToClient),
+	//JF("_sendDirtyCellPermissionsUpdateToClient", "(JJZ)V", sendDirtyCellPermissionsUpdateToClient),
 };
 
 	return JavaLibrary::registerNatives(NATIVES, sizeof(NATIVES)/sizeof(NATIVES[0]));
diff --git a/engine/server/library/serverScript/src/shared/ScriptMethodsPlayerAccount.cpp b/engine/server/library/serverScript/src/shared/ScriptMethodsPlayerAccount.cpp
index 48fa7ad1..e38ecdd3 100755
--- a/engine/server/library/serverScript/src/shared/ScriptMethodsPlayerAccount.cpp
+++ b/engine/server/library/serverScript/src/shared/ScriptMethodsPlayerAccount.cpp
@@ -112,7 +112,7 @@ const JNINativeMethod NATIVES[] = {
 	JF("_renameCharacterReleaseNameReservation", "(J)V", renameCharacterReleaseNameReservation),
 	JF("_renameCharacter", "(JLjava/lang/String;)V", renameCharacter),
 	JF("_getPlayerStationId", "(J)I", getPlayerStationId),
-	JF("_getPlayerUsernameDoNotUse", "(J)Ljava/lang/String;", getPlayerUsername),
+	//JF("_getPlayerUsernameDoNotUse", "(J)Ljava/lang/String;", getPlayerUsername),
 };
 
 	return JavaLibrary::registerNatives(NATIVES, sizeof(NATIVES)/sizeof(NATIVES[0]));
diff --git a/engine/server/library/serverScript/src/shared/ScriptMethodsSystem.cpp b/engine/server/library/serverScript/src/shared/ScriptMethodsSystem.cpp
index 47c662cf..d3395b84 100755
--- a/engine/server/library/serverScript/src/shared/ScriptMethodsSystem.cpp
+++ b/engine/server/library/serverScript/src/shared/ScriptMethodsSystem.cpp
@@ -50,7 +50,7 @@ const JNINativeMethod NATIVES[] = {
 	JF("_saveBytesOnClient", "(JLjava/lang/String;[B)V", saveBytesOnClient),
 	JF("_launchClientWebBrowser", "(JLjava/lang/String;)V", launchClientWebBrowser),
 	JF("_playCutScene", "(JLjava/lang/String;)V", playCutScene),
-	JF("_triggerServerWarning", "(Ljava/lang/String;)V", triggerServerWarning),
+	// JF("_triggerServerWarning", "(Ljava/lang/String;)V", triggerServerWarning),
 };
 
 	return JavaLibrary::registerNatives(NATIVES, sizeof(NATIVES)/sizeof(NATIVES[0]));