How to update lookup filed in SharePoint

Hi Team,

I need to update lookup value in sharepoint except lookup i can able to update but i couldn’t able to update lookup field.

I am using Sharepoint application scope in Update list item

If i give XXX in i want update in expected place but lookup value only shows to invalid data error

Error below,
"Update list item: Invalid data has been used to update the list item. The field you are trying update may be read only "

Please help me anyone for this.

Regards,
Raja G

Hi Team,

Please anyone help me for this

Regards,
Raja G

Hello @Raja.G
Refer to this Thread, You may get some idea.
https://social.msdn.microsoft.com/Forums/office/en-US/bd0ceff4-7882-47a8-ada0-0a206c813fa9/quotsharepoint-list-itme-update-error-invalid-data-has-been-used-to-update-the-list-item-the?forum=sharepointdevelopmentprevious

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