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Network error when using Patch function

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Posted on by ReenaS11

I am getting this error when trying to do a bulk update using patch function. Even though none of the fields in this SharePoint list are required or read only fields except for the system generated like created, modified, etc. Can someone please help?

This is a drop down field. I have tried giving it a default value, removed this field from the app but still this error keeps popping up on the second time I do a bulk update. It works perfectly fine the first time I try to bulk update (multiple fields, multiple rows in a sharepoint list)
Network error when using Patch function: Column 'Contains_x0020_Personal_x0020_Se#Id' is read-only and can't be modified

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Power Apps Pro Dev & ISV

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stampcoin 5,058 Super User 2025 Season 2 on at

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@ReenaS11 Hi,

Please check if this article give you a help.

https://techcommunity.microsoft.com/discussions/sharepoint_general/network-error-when-using-patch-function-the-specified-column-is-read-only-and-ca/3720989

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Pstork1 68,707 Most Valuable Professional on at

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In SharePoint the ID field is an autogenerated System field and it can't be changed after the system creates it. Your Patch includes the ID field, which can't be edited. Remove that from the Patch function and you should be fine.

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ReenaS11 78 on at

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@stampcoin So I added the code to the App onError and now I am seeing a lot more fields. this is the error message I am getting. I don't have any ID columns in my patch code. Can you please review the attached document and let me know what I need to fix. Also an fyi all these fields showing as read only are dropdowns

Contains_x0020_Personal_x0020_Se#Id: Column 'Contains_x0020_Personal_x0020_Se#Id' is read-only and can't be modified.Contains_x0020_Sensitive_x0020_D#Id: Column 'Contains_x0020_Sensitive_x0020_D#Id' is read-only and can't be modified.Criticality#Id: Column 'Criticality#Id' is read-only and can't be modified.DataPrepLevel#Id: Column 'DataPrepLevel#Id' is read-only and can't be modified.Information_x0020_Classification#Id: Column 'Information_x0020_Classification#Id' is read-only and can't be modi...

SaveLookslike.docx

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ReenaS11 78 on at

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@Pstork1 Please review the document i have attached. I don't have any ID fields in my patch code. don't know why it is failing.

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Pstork1 68,707 Most Valuable Professional on at

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You say the fields that are erroring are dropdowns. Are they Lookup columns to other SharePoint lists?

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ReenaS11 78 on at

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@Pstork1 no they are not lookup columns. just simple dropdowns with values. for ex: data prep level dropdown has values Gold
Silver,
Bronze

None of these dropdowns are required fields or read only.

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stampcoin 5,058 Super User 2025 Season 2 on at

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@ReenaS11 Hi,

Share my thought:

I would like to try to bind the dropdown item from sharepoint columns (Choice/lookup). so they are always the same type.

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ReenaS11 78 on at

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@stampcoin I did not understand what you are trying to say. Can you please explain with an example?

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Pstork1 68,707 Most Valuable Professional on at

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In your app, what is generating colbulkupdate Your UpdateIF() is updating the value of some of the fields in that collection. But when you use it in the patch its going to apply the Patch to all the fields in colbulkupdate, even the ones that havent been updated. And if colbulkupdate is created by just grabbing full records from the SharePoint list then there are fields in there that are part of the patch, that aren't listed in the UpdateIf(). I think that's where the extraneous Read Only fields are coming from.

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If this Post helped you, please click "Does this answer your question" and give it a like to help others in the community find the answer too!

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Blog: https://www.dontpapanic.com/blog

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stampcoin 5,058 Super User 2025 Season 2 on at

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@ReenaS11 Hi,

What mean is for example:

You have a choice column in your list.

ClearCollect(

MyChoices,

Choices(

MyList.MyChoicesColumn

)

)

DropDown.Item= MyChoices

Please let me know if it confused you.

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