Just spent some time debugging a weird error when starting a job through the API: Invalid format for argument 'Arguments': Cannot deserialize the current JSON object (e.g. {"name":"value"}) into type 'Newtonsoft.Json.Linq.JToken' because the type requires a JSON array (e.g. [1,2,3]) to deserial…

Let me summarize the possible solutions and mark a reply as a solution to allow users to quickly get to the answer :slight_smile: Possible solutions as per above: I had a custom activity that included the Newtonsoft.json.dll in the NuGet package. Once I removed it and updated the custom activity …

Start job, JSON deserialization error - SOLVED

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loginerror (Maciej Kuźmicz) August 19, 2020, 3:06pm 3

Let me summarize the possible solutions and mark a reply as a solution to allow users to quickly get to the answer

Possible solutions as per above:

I had a custom activity that included the Newtonsoft.json.dll in the NuGet package. Once I removed it and updated the custom activity it worked.
Managed to ‘fix’ by recreating a new project and importing my components over

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Cannot deserialize the current JSON object (e.g. {"name":"value"}) into type 'Newtonsoft.Json.Linq.JToken' because the type requires a JSON array (e.g. [1,2,3]) to deserialize correctly

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Start job, JSON deserialization error - SOLVED

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