Why my Power Automate flows got modified "Activity suspended"? What does it mean?

Why my Power Automate flows got modified "Activity suspended"? What does it mean?
Basically there are 2 main reasons why a flow can be automatically turned off. The reason are connected to owner PowerAutomate license or flows activity in a period of time.
Please read https://learn.microsoft.com/en-us/power-automate/limits-and-config and I'm sure that you'll find the answer to your problem.