Territory based Lead Assignment is not working

Summary:

We have enabled Territory based assignment from profile options as per oracle documentation below:

After running the assignment manually from UI on leads, assignment runs successfully but territories are not assigned.

Content (required):

We have enabled Territory based assignment from profile options as per oracle documentation below:

Implementation Reference

https://docs.oracle.com/en/cloud/saas/sales/oasal/considerations-for-territory-based-lead-assignment.html#s20028718

Territory-based assignment relies on an association between attributes on the lead work object and attributes on the lead territory candidate object to match the candidates to the work object.

After running the assignment manually from UI on leads, assignment runs successfully but territories are not assigned.