I do not see any authorization.

Make sure you are running the latest version and the plugin is loaded.

I reloaded the plugin with the latest version and I don't see any permissions.

Merged post

Could not initialize plugin 'GroupLimits v3.0.3' (JsonReaderException: Unexpected character encountered while parsing value: \. Path '['Notify: Player']', line 2, position 21.)
  at Newtonsoft.Json.JsonTextReader.ReadStringValue (Newtonsoft.Json.ReadType readType) [0x00366] in <271c58b7a8684db5a2c92be17a81f252>:0 
  at Newtonsoft.Json.JsonTextReader.ReadAsString () [0x00000] in <271c58b7a8684db5a2c92be17a81f252>:0 
  at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.ReadForType (Newtonsoft.Json.JsonReader reader, Newtonsoft.Json.Serialization.JsonContract contract, System.Boolean hasConverter) [0x00077] in <271c58b7a8684db5a2c92be17a81f252>:0 
  at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.PopulateDictionary (System.Collections.IDictionary dictionary, Newtonsoft.Json.JsonReader reader, Newtonsoft.Json.Serialization.JsonDictionaryContract contract, Newtonsoft.Json.Serialization.JsonProperty containerProperty, System.String id) [0x00262] in <271c58b7a8684db5a2c92be17a81f252>:0 
  at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateObject (Newtonsoft.Json.JsonReader reader, System.Type objectType, Newtonsoft.Json.Serialization.JsonContract contract, Newtonsoft.Json.Serialization.JsonProperty member, Newtonsoft.Json.Serialization.JsonContainerContract containerContract, Newtonsoft.Json.Serialization.JsonProperty containerMember, System.Object existingValue) [0x002a8] in <271c58b7a8684db5a2c92be17a81f252>:0 
  at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal (Newtonsoft.Json.JsonReader reader, System.Type objectType, Newtonsoft.Json.Serialization.JsonContract contract, Newtonsoft.Json.Serialization.JsonProperty member, Newtonsoft.Json.Serialization.JsonContainerContract containerContract, Newtonsoft.Json.Serialization.JsonProperty containerMember, System.Object existingValue) [0x0006d] in <271c58b7a8684db5a2c92be17a81f252>:0 
  at Newtonsoft.Json.Serializa

Right, this means there's likely an issue with the configuration.

Thanks!