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Please do help me for this issue,

We have changed some columns in list and I tried to customize info-path through ribbon customize button, which opened successfully asking the following alert. (Even I tried with No, that was saying, which will overwrite the existing columns.)

enter image description here

I clicked Yes and which opened successfully.

Then I tried to publish, then I got following error,

enter image description here

Can any one help me for this.

Thanks in advance.

1 Answer 1

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Please try below suggestions to solve the issue:

  1. Increased the executionTimeout value in web.config and set it to 3600 seconds.
  2. Tried increasing data connection timeout values (to 1 hr) from central administrator for InfoPath Forms Services.
  3. Checked whether site collection feature “SharePoint Server Enterprise Site Collection Features” is activated.
  4. Keep the list item around 1500.

Here is an article that list all possible solutions for your reference:

https://www.c-sharpcorner.com/UploadFile/617d87/resolve-exceptions-occurred-with-existing-infopath-from-in-s/

2
  • Items count is 650 only, and all above points are fine still I am getting the issue. Only thing I have 28 calculated columns in a List.
    – Sharad
    Commented May 13, 2020 at 9:41
  • Try to reduce the calculated columns when you select data connection and compare the result.
    – Julie_MSFT
    Commented May 15, 2020 at 8:34

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