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Trying to create a new sharepoint folder using rest api, error "not found"

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Posted on by johnjohnPter

1,946 Season of Giving Solutions 2025

I have this call to create a new sharepoint Folder:-

where the "ServerRelativeUrl" value = " "/des/clients/Annualreports/#1/wweqwqe/""

But i got this error:-

{
  "error": {
    "code": 502,
    "source": "flow-apim-europe-002-westeurope-01.azure-apim.net",
    "clientRequestId": "68761ac8-3ad9-44f4-bbba-f0bc48cd37d9",
    "message": "BadGateway",
    "innerError": {
      "status": 502,
      "message": "(null) \"des/clients/Annualreports/#1/wweqwqe\" not found.\r\nclientRequestId: 68761ac8-3ad9-44f4-bbba-f0bc48cd37d9\r\nserviceRequestId: 1d71d7a1-409c-e000-6f5b-08e8117a88ee",
      "source": "https://*******.sharepoint.com/_api/web/folders",
      "errors": [
        "-2130247139",
        "Microsoft.SharePoint.SPException"
      ]
    }
  }
}
 
 
Any advice?

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VictorIvanidze 13,081 on at

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Test with hard-coded "ServerRelativeUrl" value.

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venturemavenwill 1,198 Super User 2026 Season 1 on at

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There are two problems I see

The following are illegal characters in a folder name

~, #, %, & , *, {, }, \, :, <, >, ?, /, |, "

also, it would appear that your variable is outputting "wweqwqe\" instead of "wweqwqe/"

Try replacing both and giving it another try

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johnjohnPter 1,946 Season of Giving Solutions 2025 on at

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@VictorIvanidze same issue the problem is with this hasTag value, if i remove it the problem will be solved, but i want to keep it. any advice?

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johnjohnPter 1,946 Season of Giving Solutions 2025 on at

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@venturemavenwill I am not using any of these special characters ,, the problem seems to be with the # ... which i want to have, as we can add # using the UI when creating new folders

Also for the "wweqwqe\" instead of "wweqwqe/" .. this is how power automate show the folder inside the output.. the folder i am passing end with / and not \

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venturemavenwill 1,198 Super User 2026 Season 1 on at

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@johnjohnPter try to encode the # sign. For example, use %23 instead of # and see if the frontend displays the # sign.

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johnjohnPter 1,946 Season of Giving Solutions 2025 on at

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@venturemavenwill if i encode it the ,the folder name will have %23 instead of #

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VictorIvanidze 13,081 on at

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same issue the problem is with this hasTag value, if i remove it the problem will be solved, but i want to keep it. any advice?

Where is this hastTag value? Please explain.

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johnjohnPter 1,946 Season of Giving Solutions 2025 on at

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@VictorIvanidze the hastag inside the request , in the #1:-

des/clients/Annualreports/#1/wweqwqe

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