Is there a limit for how many build and backtest jobs i can send using the free tier? I have auto-build disabled, and pressing the build button requests a build
(Console: 17:38:33: Building Project ID: 7967265 Content Signature: 2ab61760e1af03c9fad20ff6343454e5)
but it does not succeed. It worked well many times for hours, and does not work since 1-2 hours now.

Any ideas whats causing this issue? Do i need a paid subscription? I wanted to play around with the free tier first and see if i come up with something useful before changing to a paid plan.