Site Health “litespeed_task_imgoptm_req” issue

Within my WordPress admin, I always find this issue highlighted under Site Health:

A schedules event is late
“The scheduled event, litespeed_task_imgoptm_req, is late to run. Your site still works, but this may indicate that scheduling posts or automated updates may not work as intended.”

Any idea what needs to be done?

The site is working fine otherwise as all posts published on time.