I've been getting this error lately
05:39 [Error] [Tebex Donate] An exception was thrown whilst checking the command queue: Unexpected character encountered while parsing value: A. Path '', line 0, position 0.
05:39 [Error] [Tebex Donate] Associated response: Aborted.
05:39 [Error] [Tebex Donate] at Newtonsoft.Json.JsonTextReader.ParseValue () [0x002b3] in <2ae3f091decd4989b3c4d466e6eb5985>:0
at Newtonsoft.Json.JsonTextReader.Read () [0x0004c] in <2ae3f091decd4989b3c4d466e6eb5985>:0
at Newtonsoft.Json.Linq.JObject.Load (Newtonsoft.Json.JsonReader reader, Newtonsoft.Json.Linq.JsonLoadSettings settings) [0x00013] in <2ae3f091decd4989b3c4d466e6eb5985>:0
at Newtonsoft.Json.Linq.JObject.Parse (System.String json, Newtonsoft.Json.Linq.JsonLoadSettings settings) [0x0000c] in <2ae3f091decd4989b3c4d466e6eb5985>:0
at Newtonsoft.Json.Linq.JObject.Parse (System.String json) [0x00000] in <2ae3f091decd4989b3c4d466e6eb5985>:0
at Oxide.Plugins.TebexDonate.<CheckCommandQueue>m__0 (System.Int32 code, System.String response) [0x0000c] in <335b251894fc4a56a9653b7374e02489>:0