I recently used up all my $300 free credits in Google Cloud compute engine and all my VM's got paused because one of them went beyond the free credit boundaries. I thought Google cloud would automatically start charging my billing account but that never happened even though I upgraded my account. Whenever I try to manually restart the vm, I get this notification:
Project your-project-id cannot accept requests to start while in an inactive billing state. Billing state may take several minutes to update.
It's been 3 days and I'm still not able to get my billing account to start charging from my credit card (all details of the card are valid).