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Error duplicate key value when updating NI numbers via data manager

If you get an error message when updating national insurance numbers, you need to check your settings.

Relu avatar
Written by Relu
Updated over 7 months ago

If you get an error message duplicate key value when updating NI numbers via data manager when trying to update employee NI numbers in bulk using the data manager, this means there is an existing person record within the system using that NI number.

📌Note: You cannot use the same NI number for multiple employees.

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