Sometimes the agents take too long to perform the task and when the master tries to submit, it has expired. It would be good to avoid spending time with tasks that are not feasible.
The following figure illustrates a task that could not be submitted since its deadline was expired.

Log message:
[agentA5] -------> arrived_at(-23,-27)
[agentA5] Fail on submitting task7 failed_target
[agentA5] Dropping blocks for task7
From statistics
A5 submit_failed [task(task7,245,4,[req(0,1,b2),req(0,2,b0)]),return(failed_target),step(271)]
Sometimes the agents take too long to perform the task and when the master tries to submit, it has expired. It would be good to avoid spending time with tasks that are not feasible.
The following figure illustrates a task that could not be submitted since its deadline was expired.
Log message:
From statistics