So far, as suggested in the forum, I have made sure that there is only one existing Dokan Dashboard page with the shortcode [dokan-dashboard] and the page is correctly assigned. I deleted the cache and reset the product permalink base to product. Also, the page was deleted and reinstalled but the problem still remains.
Please advise on how to proceed.
Note: Currently running on latest Dokan 2.4.1 and Dokan theme.