I am using pnpjs to add items to a list like so:


If requestList has items that do not pass column validation of the Sharepoint list I receive an exception with only a very generic error message:

{"odata.error": {
     "code": "-2130575163,Microsoft.SharePoint.SPListDataValidationException",
     "message": {
         "lang": "en-US",
         "value": "List data validation failed."

How can I retrieve the information which fields failed validation?

https://docs.microsoft.com/en-us/sharepoint/dev/sp-add-ins/working-with-lists-and-list-items-with-rest#working-with-list-items-by-using-rest suggests the information should be available and if I try to add such an erroneous element manually in Sharepoint itself the form marks the errors in red.

2 Answers 2


Go into the network tab in Chrome dev tools (or else use Fiddler), find the REST call and inspect the raw response from the server. For 400-type errors you'll typically see a more detailed description of the error.

  • Thanks. Unfortunately, I get a 500 error and that is an exception. Checking with Fiddler the response doesn't contain anything more than what I show in my question.
    – mplwork
    Dec 18, 2019 at 12:24

You can add the item using PnPjs like this:

private PnPAddItem():void
    Title: "NewItemAddedTitle"
  }).then((iar: ItemAddResult) => {


You can console.log(iar) response in the console to see which field failed validation and you could also check the Network tab to see reponse status and request details:

enter image description here

  • This doesn't work. I get a 500 response, which throws an exception. So the then part isn't taken at all. try/catch doesn't lead to more than what I showed in my question. But thanks for the then, I hadn't thought of it.
    – mplwork
    Dec 18, 2019 at 12:26
  • Can you please create a new list and then just add a item with default Title field to see if it works ? As the script above won't have problem in my side.
    – Jerry
    Dec 18, 2019 at 12:37
  • Sorry, I can't test this right now. I am sure the then branch will be taken if there is no error. The point here is a field that fails column validation. In that case I get a javascript exception which I can handle with try/catch of course. But there is only generic information in the exception itself.
    – mplwork
    Dec 18, 2019 at 13:31
  • Please test if you have time and updates :)
    – Jerry
    Dec 19, 2019 at 0:55
  • Could you elaborate what this test is supposed to show? I don't have any problem with adding a list item. It is only if there is a validation for a certain field and that validation indicates a problem with the data provided that I don't get sufficient information. So how should updating trivial Title field provide any insight?
    – mplwork
    Dec 19, 2019 at 12:45

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