Why my Functions not triggered anymore?

The cloud functions listened to the event triggered of the buckets file create. Actually, it was working before, now it does not working anymore?

TL;DR

The user is experiencing an issue where their cloud functions are no longer being triggered by file creation events in a bucket. The functions still work when triggered by HTTP requests. They speculate that the bucket file event may be the root cause. There is no solution mentioned in the provided information.

Functions work well on triggered by http