need help please

hi, i keep getting this error every time a legendary beast is killed. And i've also talked to the DN creator and they've fixed their part, i just wish you would update this plugin to make it so it will not clash with another plugin. Please help

 

Failed to call hook 'STCanGainXP' on plugin 'DeployableNature v1.0.12' (NullReferenceException: Object reference not set to an instance of an object)

at Oxide.Plugins.DeployableNature.STCanGainXP (BasePlayer player, BaseEntity source) [0x0000c] in <d9236088d8664a1c80720f43e2aa4e12>:0

at Oxide.Plugins.DeployableNature.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00330] in <d9236088d8664a1c80720f43e2aa4e12>:0

at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <09575a60985045248bcb43b20faeeb99>:0

at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <bae5f1223fce49c493b01571c99dce02>:0

at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <bae5f1223fce49c493b01571c99dce02>:0