Azure Datafactory: Getting "Value cannot be null. Parameter name: dictionary" error

Question

I've set up a pipeline in Azure Datafactory that reads a configuration file from a storage account, then runs a different pipeline for each configuration item found. This pipeline ran perfectly last week.

Now, however, the pipeline errors out on the "Read configuration file" part with the following error:
Error code 2100: "Value cannot be null. Parameter name: dictionary"

I've searched the Internet far and wide and all I can find is that in C# code, a Dictionary object is used to pass parameters to pipelines. But I'm clicking this together in the no-code Datafactory interface, not building C# code.

I've tried simply setting up the pipeline from scratch. I only added the "Lookup" block, pointing it to the dataset that reads the file and even that already gives the error. When I preview the data, everything works perfectly and it shows me the configuration file.

What am I missing?

Answer 1

hello @Koen van der Pasch ,
Thanks for the ask and using the forum .
You mentioned that same pipeline was working before , do you have made any updates ? If not to the pipeline then may be to the file from which you are reading the values .
It will be really helpful if you can share the pipeline JSON , atleast we can have a quick look .

Also I see that someone was facing a similar error here , not sure of you have already looked at this , i could agree that i am unable to relate your case ( with all the info we have ) with this one .

Thanks
Himanshu