6.1 RC-1 Area Chart widget Fails to load and has stack trace error

[jivepig]

Loading a widget that contains an aggregation over time for a field in an area charge throws an error in the widget:
error: "While rendering this widget, the following error occurred: TypeError: a is undefined"

Attached Stack Trace

StackTrace.txt

Expected Behavior

Worked fine in V6.0.7
Upgraded to V6.1RC1 and it broke.

Current Behavior

required to recreate the widget, it somewhat works but is not working the same way.

Possible Solution

recreate the widget but find issue.
content-pack-3391e184-d4cf-414a-ba58-195ac4f2e177-1.json

Attached Content pack for

Steps to Reproduce (for bugs)

1. System running on V6.0.7
   2.Upgrade to 6.1RC1
   3.Widget fails to load

Context

Could not figure out how to fix the current widget, but manually recreated it seemed to fix it but it does not display the same way.

Your Environment

Docker single node

• Graylog Version:V6.1RC-1
• Java Version:n/a
• OpenSearch Version:2.12
• MongoDB Version:V6
• Operating System:Ubuntu
• Browser version:NA