Trigger loss with zapier

I have a problem with the zapier triggers, sometimes it happens that the action is not performed.
For example, an action that is performed 6 times (I am 6 lines on google sheet) on zapier is triggered only 5 times.
This is The action:
Schermata 2021-01-20 alle 21.32.29

I have 6 row on google Sheet and only 5 trigger on zapier…