have deleted old config and reloaded with your lastest version  on the new update (nuke silo update) server is working fine however vanish loads then unloads  with a huge error  in console

If you can post the error that would be helpful 

Disregard :) I didn't read the notes fully 

same error it is not loading

Vanish was compiled successfully in 4762ms
Failed to initialize plugin 'Vanish v1.6.9' (NullReferenceException: Object reference not set to an instance of an object)
at Oxide.Plugins.Vanish.LoadData () [0x00028] in <11fc60a0cb474a389f97c65b78c70e87>:0
at Oxide.Plugins.Vanish.Loaded () [0x0001a] in <11fc60a0cb474a389f97c65b78c70e87>:0 0b/s in, 0b/s out
at Oxide.Plugins.Vanish.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x0009c] in <11fc60a0cb474a389f97c65b78c70e87>:0
at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <23ba99f131254889867c71f0bd137b1d>:0
at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <157a94ee66ab4a7991faecd1eb84be3b>:0
at Oxide.Plugins.CSharpPlugin.HandleAddedToManager (Oxide.Core.Plugins.PluginManager manager) [0x0006e] in <23ba99f131254889867c71f0bd137b1d>:0
Unloaded plugin Vanish v1.6.9 by Whispers88
No previous version to rollback plugin: Vanish

how did u fix it??

same with new updated one to..

> o.reload Vanish [Vanish] Configuration changes saved to Vanish.json Failed to initialize plugin 'Vanish v1.8.0' (NullReferenceException: Object reference not set to an instance of an object) at Oxide.Plugins.Vanish.LoadData () [0x00028] in <1321a28d6ecf45958612aaa685d2ddcb>:0 at Oxide.Plugins.Vanish.Loaded () [0x0001a] in <1321a28d6ecf45958612aaa685d2ddcb>:0 at Oxide.Plugins.Vanish.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x0009c] in <1321a28d6ecf45958612aaa685d2ddcb>:0 2kb/s in, 14kb/s out at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <23ba99f131254889867c71f0bd137b1d>:0 at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <157a94ee66ab4a7991faecd1eb84be3b>:0 at Oxide.Plugins.CSharpPlugin.HandleAddedToManager (Oxide.Core.Plugins.PluginManager manager) [0x0006e] in <23ba99f131254889867c71f0bd137b1d>:0 Unloaded plugin Vanish v1.8.0 by Whispers88 No previous version to rollback plugin: Vanish still broken

Merged post

old version (1.6.8) works fine the new one even after removing config and reloading new version gives same console warning as above and does not work..load olkd one zero issue

Delete your vanish data file in the oxide data folder

vanish not working with new update (regular update this june)