Unable to retrieve attribute=businessunitid for entityLogicalName=systemuser exception while creating Application User in Dynamics 365

Recently while trying to add a new application user we got the below error message

More on Application User –

https://nishantrana.me/2020/12/24/application-user-form-missing-in-dynamics-365/

https://nishantrana.me/2020/12/23/d365-the-user-is-not-a-member-of-the-organization-error-while-connecting-to-ce/

Adding the missing Business Unit field in the form fixed it.

Hope it helps..