Saving problem

hello i have a problem if I want save the it’s says : Save failed became an exception and write me the error : Chyba při ukládání - Uložení se nezdařilo! Nastala výjimka exception: System.ExecutionEngineException: String conversion error: Illegal byte sequence encounted in the input.
at (wrapper managed-to-native) System.Reflection.RuntimeAssembly.get_code_base(System.Reflection.Assembly,bool)
at System.Reflection.RuntimeAssembly.GetCodeBase (System.Reflection.Assembly a, System.Boolean escaped) [0x00000] in <1400ea11d6fd49d4939be686a9549fb4>:0
at System.Reflection.RuntimeAssembly.get_CodeBase () [0x00000] in <1400ea11d6fd49d4939be686a9549fb4>:0
at System.Reflection.AssemblyName.Create (System.Reflection.Assembly assembly, System.Boolean fillCodebase) [0x00010] in <1400ea11d6fd49d4939be686a9549fb4>:0
at System.Reflection.RuntimeAssembly.GetName (System.Boolean copiedName) [0x0000e] in <1400ea11d6fd49d4939be686a9549fb4>:0
at System.Reflection.Assembly.GetName () [0x00000] in <1400ea11d6fd49d4939be686a9549fb4>:0
at TypeUtils.AssemblyQualifiedNameWithoutVersion (System.Type type) [0x00011] in :0
at BaseThriveConverter.WriteJson (Newtonsoft.Json.JsonWriter writer, System.Object value, Newtonsoft.Json.JsonSerializer serializer) [0x00146] in :0
at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.SerializeConvertable (Newtonsoft.Json.JsonWriter writer, Newtonsoft.Json.JsonConverter converter, System.Object value, Newtonsoft.Json.Serialization.JsonContract contract, Newtonsoft.Json.Serialization.JsonContainerContract collectionContract, Newtonsoft.Json.Serialization.JsonProperty containerProperty) [0x0008a] in :0
at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.SerializeValue (Newtonsoft.Json.JsonWriter writer, System.Object value, Newtonsoft.Json.Serialization.JsonContract valueContract, Newtonsoft.Json.Serialization.JsonProperty member, Newtonsoft.Json.Serialization.JsonContainerContract containerContract, Newtonsoft.Json.Serialization.JsonProperty containerProperty) [0x00071] in :0
at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.SerializeObject (Newtonsoft.Json.JsonWriter writer, System.Object value, Newtonsoft.Json.Serialization.JsonObjectContract contract, Newtonsoft.Json.Serialization.JsonProperty member, Newtonsoft.Json.Serialization.JsonContainerContract collectionContract, Newtonsoft.Json.Serialization.JsonProperty containerProperty) [0x0008d] in :0
at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.SerializeValue (Newtonsoft.Json.JsonWriter writer, System.Object value, Newtonsoft.Json.Serialization.JsonContract valueContract, Newtonsoft.Json.Serialization.JsonProperty member, Newtonsoft.Json.Serialization.JsonContainerContract containerContract, Newtonsoft.Json.Serialization.JsonProperty containerProperty) [0x000b2] in :0
at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.Serialize (Newtonsoft.Json.JsonWriter jsonWriter, System.Object value, System.Type objectType) [0x00079] in :0
at Newtonsoft.Json.JsonSerializer.SerializeInternal (Newtonsoft.Json.JsonWriter jsonWriter, System.Object value, System.Type objectType) [0x0023a] in :0
at Newtonsoft.Json.JsonSerializer.Serialize (Newtonsoft.Json.JsonWriter jsonWriter, System.Object value, System.Type objectType) [0x00000] in :0
at Newtonsoft.Json.JsonConvert.SerializeObjectInternal (System.Object value, System.Type type, Newtonsoft.Json.JsonSerializer jsonSerializer) [0x00028] in :0
at Newtonsoft.Json.JsonConvert.SerializeObject (System.Object value, System.Type type, Newtonsoft.Json.Formatting formatting, Newtonsoft.Json.JsonSerializerSettings settings) [0x0000e] in :0
at ThriveJsonConverter+<>c__DisplayClass9_0.b__0 (Newtonsoft.Json.JsonSerializerSettings settings) [0x00000] in :0
at ThriveJsonConverter.PerformWithSettings[T] (System.Func2[T,TResult] func) [0x00068] in <a4ccd80a610a4c1eac57bb911b092060>:0 at ThriveJsonConverter.PerformWithSettings[T] (System.Func2[T,TResult] func) [0x000a5] in :0
at ThriveJsonConverter.SerializeObject (System.Object o, System.Type type) [0x00014] in :0
at Save.SaveToFile () [0x0000b] in :0
at SaveHelper.PerformSave (InProgressSave inProgress, Save save) [0x00000] in :0 I doesn’t know what to do please help :frowning:

That’s this problem:

Which seems to be a Mono (the C# runtime Thrive uses) bug related to having non-ascii characters in your username.

ok thank you very much