error?

16:43 [Error] Failed to initialize plugin 'ZombieRocks v1.4.0' (ArgumentException: Undefined target method for patch method static System.Collections.Generic.IEnumerable1<HarmonyLib.CodeInstruction> Oxide.Plugins.BaseProjectile_ServerUse_Patch::Transpiler(System.Collections.Generic.IEnumerable1<HarmonyLib.CodeInstruction> instructions, System.Reflection.Emit.ILGenerator generator)) at HarmonyLib.PatchClassProcessor.PatchWithAttributes (System.Reflection.MethodBase& lastOriginal) [0x00047] in <6c906b4f1de440f3a86cb0ebb3f48ea6>:0 at HarmonyLib.PatchClassProcessor.Patch () [0x0006e] in <6c906b4f1de440f3a86cb0ebb3f48ea6>:0

[Error] Failed to call hook 'OnServerInitialized' on plugin 'CustomBradley v1.5.3' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.ZombieRocks+DisplayName.Prefix (System.String& __result, ScientistNPC __instance) [0x00009] in <79a296fb86564e3ea776405ebdd566bf>:0 
  at (wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.ScientistNPC.get_displayName_Patch16(ScientistNPC)
  at Oxide.Plugins.CustomBradley.<OnServerInitialized>b__22_3 (BasePlayer i) [0x0000d] in <79a296fb86564e3ea776405ebdd566bf>:0 
  at System.Linq.Enumerable+WhereEnumerableIterator`1[TSource].MoveNext () [0x00037] in <8b0c76c7efa244bc95eeee75bf1314cd>:0 
  at Oxide.Plugins.CustomBradley.OnServerInitialized () [0x000e0] in <79a296fb86564e3ea776405ebdd566bf>:0 
  at Oxide.Plugins.CustomBradley.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x0006a] in <79a296fb86564e3ea776405ebdd566bf>:0 
  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <42f9bedc659b4f4786eb778d3cd58968>:0 
  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000de] in <8cb2d664f1574f2b96d53f1c1869d96a>:0 
  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <8cb2d664f1574f2b96d53f1c1869d96a>:0