Need fix error

Hello. After last update  console spaming error

[20:08:11]Web request callback raised an exception in 'ServerArmour v0.7.6' plugin (ArgumentNullException: Value cannot be null. Parameter name: key) at System.Collections.Generic.Dictionary`2[TKey,TValue].TryInsert (TKey key, TValue value, System.Collections.Generic.InsertionBehavior behavior) [0x00008] in :0 at System.Collections.Generic.Dictionary`2[TKey,TValue].Add (TKey key, TValue value) [0x00000] in :0 at Oxide.Plugins.ServerArmour.AddPlayerCached (Oxide.Plugins.ServerArmour+ISAPlayer isaplayer) [0x0000c] in :0 at Oxide.Plugins.ServerArmour+<_webCheckPlayer>c__AnonStorey1.<>m__0 (System.Int32 code, System.String response) [0x00137] in :0 at Oxide.Core.Libraries.WebRequests+WebRequest.b__42_0 () [0x00034] in :0​
Can you please fix it?

I have the same error

Web request callback raised an exception in 'ServerArmour v0.7.6' plugin (ArgumentNullException: Value cannot be null.

Parameter name: key)

at System.Collections.Generic.Dictionary`2[TKey,TValue].FindEntry (TKey key) [0x00008] in <fb001e01371b4adca20013e0ac763896>:0

at System.Collections.Generic.Dictionary`2[TKey,TValue].ContainsKey (TKey key) [0x00000] in <fb001e01371b4adca20013e0ac763896>:0

at Oxide.Plugins.ServerArmour.IsPlayerCached (System.String steamid) [0x0001c] in <596536f817604ca5a715c08b477b8540>:0

at Oxide.Plugins.ServerArmour+<_webCheckPlayer>c__AnonStorey1.<>m__0 (System.Int32 code, System.String response) [0x0012d] in <596536f817604ca5a715c08b477b8540>:0

at Oxide.Core.Libraries.WebRequests+WebRequest.<OnComplete>b__42_0 () [0x00034] in <bae5f1223fce49c493b01571c99dce02>:0