Job Queue Not reachable

HI All, 

I am using a 3 Workstation Cluster setup with CC Centre.

Many times, I have been getting errors that Job Queue is not readable (error code: 287571968). Please check job queue Access. The screenshot is attached below.
The Job queue is the default location and the pathname are also short. But still, I am not able to resolve this.

The production that I am attempting is a ContextInsight production

I request you to please help me in the same