Error executing process > 'SLEEP_PROCESS (1)'

Caused by:
  Missing container image for process `SLEEP_PROCESS`


Command executed:

  echo "Task 1 started at: $(date)" > 1_sleep_result.txt
  
  SLEEP_DURATION=$(shuf -i 1-5 -n 1)
  
  echo "Task 1 sleeping for ${SLEEP_DURATION} minutes" >> 1_sleep_result.txt
  sleep ${SLEEP_DURATION}m
  
  echo "Task 1 completed at: $(date)" >> 1_sleep_result.txt

Command exit status:
  -

Command output:
  (empty)

Work dir:
  s3://natera-rnd-pltf-dev-nextflow-scratch-01/work/f2/47e1fbb08de3063e681169a9810645

Tip: you can replicate the issue by changing to the process work dir and entering the command `bash .command.run`