Any idea how to fix?

(15:23:54) | Failed to call hook 'OnReloadWeapon' on plugin 'FirearmModifier v1.4.7' (NullReferenceException: Object reference not set to an instance of an object) at Oxide.Plugins.FirearmModifier.OnReloadWeapon (BasePlayer player, BaseProjectile projectile) [0x000b5] in <e8fa445087be46d9bd43ace667884313>:0
at Oxide.Plugins.FirearmModifier.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x000a3] in <e8fa445087be46d9bd43ace667884313>:0
at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <60c318df79ed41688ea59335e48d61ad>:0

at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <dfcb48ea05694263bbc08e62a39c274c>:0

getting this error with V1.4.8

(10:36:21) | Failed to call hook 'OnReloadWeapon' on plugin 'FirearmModifier v1.4.8' (NullReferenceException: Object reference not set to an instance of an object)at Oxide.Plugins.FirearmModifier.OnReloadWeapon (BasePlayer player, BaseProjectile projectile) [0x000b5] in <912b0e6384b24a40940d45dfa76eff24>:0at Oxide.Plugins.FirearmModifier.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x000a3] in <912b0e6384b24a40940d45dfa76eff24>:0at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <60c318df79ed41688ea59335e48d61ad>:0at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <50629aa0e75d4126b345d8d9d64da28d>:0at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <50629aa0e75d4126b345d8d9d64da28d>:0

It was the eoka pistol resulting in that error and 1.4.9 fixed it.