pls help

After I run o.reload MiningOutpostEvent I get this, though I have NpcSpawn.cs plugin:
o.reload MiningOutpostEvent
[02.27 22:27:20] [MiningOutpostEvent] NpcSpawn plugin doesn`t exist!
[02.27 22:27:20] Loaded plugin MiningOutpostEvent v1.0.18 by CrazyRust
[02.27 22:27:20] Unloaded plugin MiningOutpostEvent v1.0.18 by CrazyRust
And this after running o.reload NpcSpawn:
o.reload NpcSpawn
[02.27 22:28:13] [NpcSpawn] Loading custom navigation mesh files...
[02.27 22:28:13] [NpcSpawn] All custom navigation mesh files have loaded successfully!
[02.27 22:28:13] Calling 'OnServerInitialized' on 'NpcSpawn v3.2.6' took 1128ms
[02.27 22:28:13] Loaded plugin NpcSpawn v3.2.6 by KpucTaJl
[02.27 22:28:13] [NpcSpawn] Image Preset_KpucTaJl was not found. Maybe you didn't upload it to the .../oxide/data/Images/ folder
[02.27 22:28:13] Unloaded plugin NpcSpawn v3.2.6 by KpucTaJl
[02.27 22:28:13] Web request produced exception (Url: http://37.153.157.216:5000/Api/GetPluginVersions?pluginName=NpcSpawn) (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Core.Libraries.WebRequests+WebRequest.<WaitForResponse>b__44_0 (System.IAsyncResult res) [0x00000] in <15f61ddda771464d8246ebdce8ff4811>:0

Hi. Sorry for the late reply. If the problem persists, it's possible that the NpcSpawn plugin isn't installed correctly.

Changed Status from Pending to Not a Bug