# Error Message: At least one user must be assigned for active workflow of document type: invoice - /v3/doc/approval\_workflow

**URL:** <https://community.getswipe.in/t/error-message-at-least-one-user-must-be-assigned-for-active-workflow-of-document-type-invoice-v3-doc-approval-workflow/4374>\
**Category:** Error\
**Created:** [March 9, 2026, 5:56am UTC](https://community.getswipe.in/t/error-message-at-least-one-user-must-be-assigned-for-active-workflow-of-document-type-invoice-v3-doc-approval-workflow/4374 "2026-03-09T05:56:36Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Bheemalkumar\_C\_Badashetti](https://yyz1.discourse-cdn.com/flex003/user_avatar/community.getswipe.in/bheemalkumar_c_badashetti/32/10533_2.png) [@Bheemalkumar\_C\_Badashetti](https://community.getswipe.in/u/Bheemalkumar_C_Badashetti)\
**Post date:** [March 9, 2026, 5:56am UTC](https://community.getswipe.in/t/error-message-at-least-one-user-must-be-assigned-for-active-workflow-of-document-type-invoice-v3-doc-approval-workflow/4374/1 "2026-03-09T05:56:36Z")

</div>

From the above error message, we can understand that you are activating a document approval permission without selecting the approver.

Please select the approver’s name, after which you will be able to activate the permission.

 ![image](https://canada1.discourse-cdn.com/flex003/uploads/getswipe/original/2X/4/43ff22a3d7daf24b11745d8534bee2e3e7a01662.png)