Problem after installing oven bake igniter

Oven/Range/Cooktop Repair
1

Please make sure to click on General above and select the correct appliance type first.

Brand: GE
Model Number: XL44
Main Symptom:
What happens & when: At first there was a poof sound when oven ignited. Now it’s a small boomff. What’s causing this? Is this dangerous? How do I correct this?

Error Code (if any):
Parts or tests already New oven bake ignitor WB13K21 just installed
Photos / video link:

2

This sounds like a possible issue with the safety valve. Will need the complete model number for further research.
https://www.appliancepartspros.com/