started getting this attached error below

(08:08:47) | [Tebex Donate] An exception was thrown whilst checking the command queue: Unexpected character encountered while parsing value: A. Path '', line 0, position 0.

(08:08:47) | [Tebex Donate] Associated response: Aborted.

(08:08:47) | [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 <7d8bbfa47afe4e2a9b3e71af25e261ae>:0