403 when entering customer profile

Vertex is receiving a 403 error when entering a customer via the monitor.

Environment: TEST
User: harish.singh@vertexinc.com
Main company: Vertex STAGE Connector Partner:
Customer profile: VERTEX STAGE Corporation Oracle Cloud

Problem is reproducible, also on Partnerinc. demo account on test

Steps to reproduce:

Initial Request:

https://ecosio.slack.com/archives/CSVV2DARY/p1779204145246039