Training load went to zero

I don’t know why but my training load went from high 60s to zero? Anyone know why this may have happened?

A fix has been put in to address this issue but some users may have remnants of the issue from previous planned activities. To address the issue, simply add a manual activity/workout into your past using the planner and then remove it. This forces the system to recalculate training load and should fix the error. Sorry for the trouble!