The API operation 'PostItem' requires the property 'item/Change_x0020_Reason' to be a string of maximum length '255' but is of length '473'.

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Posted on 9 Jun 2021 18:00:43 by Mourad

Using and on premise SharePoint through a gateway and trying to create a new list item with a string character count of over 255 characters. Is there a way around this maximum limit or would I have to break the string up?

This is the error:

The API operation 'PostItem' requires the property 'item/Change_x0020_Reason' to be a string of maximum length '255' but is of length '473'.

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abm abm 32,585 Most Valuable Professional on 10 Jun 2021 at 00:11:14

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Re: The API operation 'PostItem' requires the property 'item/Change_x0020_Reason' to be a string of maximum length '255' but is of length '473'.

Hi @Mourad

Check the length of the property using length() expression. If its more than 255 then use

substring() expression to get the first 255 characters.

Thanks

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Mourad 4 on 10 Jun 2021 at 04:16:55

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Re: The API operation 'PostItem' requires the property 'item/Change_x0020_Reason' to be a string of maximum length '255' but is of length '473'.

Thanks but how will that solve getting the data into the SharePoint list? I need all the data in 1 multi line field in SharePoint..

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abm abm 32,585 Most Valuable Professional on 10 Jun 2021 at 09:46:33

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Re: The API operation 'PostItem' requires the property 'item/Change_x0020_Reason' to be a string of maximum length '255' but is of length '473'.

Hi @Mourad

Could you please explain bit more about your requirement. The answer I had given is based on the error you reported.

Thanks

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Mourad 4 on 10 Jun 2021 at 12:53:55

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Re: The API operation 'PostItem' requires the property 'item/Change_x0020_Reason' to be a string of maximum length '255' but is of length '473'.

I’m using SharePoint create item using data gathered from a form. The message states there is limit of 255 characters. Is there a way to increase that limit? In my case it’s over 400 characters. I can split the string but how can I get all the data into SharePoint?

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grichmond99 4 on 24 May 2022 at 14:01:36

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Re: The API operation 'PostItem' requires the property 'item/Change_x0020_Reason' to be a string of maximum length '255' but is of length '473'.

@Mourad did you ever figure this out? I am experiencing the same issue. Any help appreciated @abm.

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abm abm 32,585 Most Valuable Professional on 25 May 2022 at 22:08:40

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Re: The API operation 'PostItem' requires the property 'item/Change_x0020_Reason' to be a string of maximum length '255' but is of length '473'.

Hi @grichmond99

Whats the field length of your SharePoint field. The data you passing is more than the target hence you getting this error. You have two options.

1. Increase the field length in SharePoint

2. Truncate the data to max length of SharePoint column.

Thanks

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