For the first time I got zero task this day, why? No clients I guess. 
Same here for 2 days in a row, got jobs today but timer stops at 1 second and doesn’t get credited
From my experience, that will happen when you are caught up with the 5 minutes timer. You need to finish the task within 5 minutes, I suspect what happened to yours was you found the link with less than 1 minute time remaining on your given task.
managed to fix it after reinstalling the plugin, works fine now