Every time the server is started, about 10 such errors appear in the console. Then everything works.
[10.02.2022 06:00:54] [Oxide] 06:00 [Error] Failed to call hook 'AddImage' on plugin 'ImageLibrary v2.0.58' (NullReferenceException: Object reference not set to an instance of an object)
at Oxide.Plugins.ImageLibrary.AddImage (System.String url, System.String imageName, System.UInt64 imageId, System.Action callback) [0x00049] in <ce45ed49438343af83af58bad4e5a119>:0
at Oxide.Plugins.ImageLibrary.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00745] in <ce45ed49438343af83af58bad4e5a119>: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
at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <dfcb48ea05694263bbc08e62a39c274c>:0