mdblists stopped working - Unable to connect to import list: Error converting value {null} #8469

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opened 2026-02-20 00:04:01 -05:00 by deekerman · 2 comments

deekerman commented

2026-02-20 00:04:01 -05:00

Owner

Originally created by @subexx on GitHub (May 16, 2024).

Is there an existing issue for this?

I have searched the existing open and closed issues

Current Behavior

Getting error Unable to connect to import list: Error converting value {null} to type 'System.Int32'. Path '[49].id', line 1, position 7115.. Check the log surrounding this error for details for multiple lists.

Expected Behavior

Used to work before.

Steps To Reproduce

Add custom list. Example list. https://mdblist.com/lists/subinjosepht/malayalam-from-2023

Environment

OS: Ubuntu 22.04
Radarr: Radarr 5.6.0.8846
Docker Install: Yes
Using Reverse Proxy: No
Browser: 
Database: Sqlite 3.44.2

What branch are you running?

Master

Trace Logs? Not Optional

[Warn] RadarrListImport: Unable to connect to import list
[v5.6.0.8846] Newtonsoft.Json.JsonSerializationException: Error converting value {null} to type 'System.Int32'. Path '[156].id', line 1, position 23073.
---> System.InvalidCastException: Null object cannot be converted to a value type.
at System.Convert.ChangeType(Object value, Type conversionType, IFormatProvider provider)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.EnsureType(JsonReader reader, Object value, CultureInfo culture, JsonContract contract, Type targetType)
--- End of inner exception stack trace ---
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.EnsureType(JsonReader reader, Object value, CultureInfo culture, JsonContract contract, Type targetType)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.SetPropertyValue(JsonProperty property, JsonConverter propertyConverter, JsonContainerContract containerContract, JsonProperty containerProperty, JsonReader reader, Object target)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.PopulateObject(Object newObject, JsonReader reader, JsonObjectContract contract, JsonProperty member, String id)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateObject(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.PopulateList(IList list, JsonReader reader, JsonArrayContract contract, JsonProperty containerProperty, String id)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateList(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, Object existingValue, String id)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.Deserialize(JsonReader reader, Type objectType, Boolean checkAdditionalContent)
at Newtonsoft.Json.JsonSerializer.DeserializeInternal(JsonReader reader, Type objectType)
at Newtonsoft.Json.JsonConvert.DeserializeObject(String value, Type type, JsonSerializerSettings settings)
at Newtonsoft.Json.JsonConvert.DeserializeObject[T](String value, JsonSerializerSettings settings)
at Newtonsoft.Json.JsonConvert.DeserializeObject[T](String value)
at NzbDrone.Core.ImportLists.RadarrList.RadarrListParser.ParseResponse(ImportListResponse importListResponse) in ./Radarr.Core/ImportLists/RadarrList/RadarrListParser.cs:line 23
at NzbDrone.Core.ImportLists.HttpImportListBase1.FetchPage(ImportListRequest request, IParseImportListResponse parser) in ./Radarr.Core/ImportLists/HttpImportListBase.cs:line 185 at NzbDrone.Core.ImportLists.HttpImportListBase1.TestConnection() in ./Radarr.Core/ImportLists/HttpImportListBase.cs:line 213
[Warn] RadarrErrorPipeline: Invalid request Validation failed:
-- : Unable to connect to import list: Error converting value {null} to type 'System.Int32'. Path '[156].id', line 1, position 23073.. Check the log surrounding this error for details.

Trace Logs have been provided as applicable. Reports will be closed if the required logs are not provided.

I have read and followed the steps in the wiki link above and provided the required trace logs - the logs contain trace - that are relevant and show this issue.

Originally created by @subexx on GitHub (May 16, 2024). ### Is there an existing issue for this? - [X] I have searched the existing open and closed issues ### Current Behavior Getting error Unable to connect to import list: Error converting value {null} to type 'System.Int32'. Path '[49].id', line 1, position 7115.. Check the log surrounding this error for details for multiple lists. ### Expected Behavior Used to work before. ### Steps To Reproduce Add custom list. Example list. https://mdblist.com/lists/subinjosepht/malayalam-from-2023 ### Environment ```markdown OS: Ubuntu 22.04 Radarr: Radarr 5.6.0.8846 Docker Install: Yes Using Reverse Proxy: No Browser: Database: Sqlite 3.44.2 ``` ### What branch are you running? Master ### Trace Logs? **Not Optional** [Warn] RadarrListImport: Unable to connect to import list [v5.6.0.8846] Newtonsoft.Json.JsonSerializationException: Error converting value {null} to type 'System.Int32'. Path '[156].id', line 1, position 23073. ---> System.InvalidCastException: Null object cannot be converted to a value type. at System.Convert.ChangeType(Object value, Type conversionType, IFormatProvider provider) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.EnsureType(JsonReader reader, Object value, CultureInfo culture, JsonContract contract, Type targetType) --- End of inner exception stack trace --- at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.EnsureType(JsonReader reader, Object value, CultureInfo culture, JsonContract contract, Type targetType) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.SetPropertyValue(JsonProperty property, JsonConverter propertyConverter, JsonContainerContract containerContract, JsonProperty containerProperty, JsonReader reader, Object target) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.PopulateObject(Object newObject, JsonReader reader, JsonObjectContract contract, JsonProperty member, String id) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateObject(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.PopulateList(IList list, JsonReader reader, JsonArrayContract contract, JsonProperty containerProperty, String id) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateList(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, Object existingValue, String id) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue) at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.Deserialize(JsonReader reader, Type objectType, Boolean checkAdditionalContent) at Newtonsoft.Json.JsonSerializer.DeserializeInternal(JsonReader reader, Type objectType) at Newtonsoft.Json.JsonConvert.DeserializeObject(String value, Type type, JsonSerializerSettings settings) at Newtonsoft.Json.JsonConvert.DeserializeObject[T](String value, JsonSerializerSettings settings) at Newtonsoft.Json.JsonConvert.DeserializeObject[T](String value) at NzbDrone.Core.ImportLists.RadarrList.RadarrListParser.ParseResponse(ImportListResponse importListResponse) in ./Radarr.Core/ImportLists/RadarrList/RadarrListParser.cs:line 23 at NzbDrone.Core.ImportLists.HttpImportListBase`1.FetchPage(ImportListRequest request, IParseImportListResponse parser) in ./Radarr.Core/ImportLists/HttpImportListBase.cs:line 185 at NzbDrone.Core.ImportLists.HttpImportListBase`1.TestConnection() in ./Radarr.Core/ImportLists/HttpImportListBase.cs:line 213 [Warn] RadarrErrorPipeline: Invalid request Validation failed: -- : Unable to connect to import list: Error converting value {null} to type 'System.Int32'. Path '[156].id', line 1, position 23073.. Check the log surrounding this error for details. ### Trace Logs have been provided as applicable. Reports will be closed if the required logs are not provided. - [X] I have read and followed the steps in the wiki link above and provided the required trace logs - the logs contain `trace` - that are relevant and show this issue.

deekerman

2026-02-20 00:04:01 -05:00

closed this issue
added the
Type: Support.
label

deekerman commented

2026-02-20 00:04:02 -05:00

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Owner

@github-actions[bot] commented on GitHub (May 16, 2024):

👋 @subexx, In order to help you further we'll need to see logs. You'll need to enable trace logging and replicate the problem that you encountered. Guidance on how to enable trace logging can be found in our troubleshooting guide.

@github-actions[bot] commented on GitHub (May 16, 2024): :wave: @subexx, In order to help you further we'll need to see logs. You'll need to enable trace logging and replicate the problem that you encountered. Guidance on how to enable trace logging can be found in our [troubleshooting guide](https://wiki.servarr.com/radarr/troubleshooting#logging-and-log-files).

deekerman commented

2026-02-20 00:04:03 -05:00

Author

Owner

@subexx commented on GitHub (May 16, 2024):

Nevermind. It started working this morning.

@subexx commented on GitHub (May 16, 2024): Nevermind. It started working this morning.