[JIRAALIGN-2179] Backlog: View Features by Team not working for specific program and PI

Issue Summary

User encounters a Server error when switching to Kanban Process Step View in the Feature Backlog for a single PI. The issue only occurs when the active Program Increment is selected in tier 1. Any non-active PI does not trigger the problem.

This has been observed on a specific instance. Details will be provided in a private update to this bug.

Steps to Reproduce

T1 filter = Program - Clients & Employes, PI - 2020.4 (this issue only seems to happen if the current PI is selected)
Go to Backlog -> Feature Backlog
Click Kanban -> Process Step View
Click ellipses and enable the "View Features by Team" toggle

Expected Results

The page should load with the full details, kanban cards, etc.

Actual Results

Customer receives the following error:

Workaround

Currently there is no known workaround for this behavior. A workaround will be added here when available