I deleted the data file of this plug-in for some reason, and then the plug-in was completely unusable, so I went to the RCON page to check it. I found that every time I try to execute /copy, a bunch of words will appear on the console side. At below is what I see in the console

Exception while calling NextTick callback (NullReferenceException: )
at (wrapper managed-to-native) UnityEngine.Transform.get_childCount(UnityEngine.Transform)
at UnityEngine.Transform+Enumerator.MoveNext () [0x00001] in <c8dc2b468d1841099baa4dd8a110cc44>:0
at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.SerializeList (Newtonsoft.Json.JsonWriter writer, System.Collections.IEnumerable values, Newtonsoft.Json.Serialization.JsonArrayContractcontract,Newtonsoft.Json.Serialization.JsonProperty member, Newtonsoft.Json.Serialization.JsonContainerContract collectionContract, Newtonsoft.Json.Serialization.JsonProperty containerProperty) [0x000e1] in <2ae3f091decd4989b3c4d466e6eb5985>:0

I tried to find my server provider but they don’t seem to help me solve the problem