In OPPID there may be requirement where Tag Number of Pipeline should get reflected on End components placed on it for e.g Blind Flange.In other words Tag Number of Pipeline should get cascaded on Blind Flange. This wiki will help to achieve the requirement.
Save the schemas and go to Relationship Classes in Openplant PID schemas
If above problem still persists, then please create a Service Request and contact the Bentley Product Advantage group. Please include a list of all relevant details to get in depth analysis for a solution or workaround