I am new on Mac. I have tried to install Caché on Mac. The installation completed successfully but it failed to start up. 

It shows following failure message on the terminal:

Starting up Cache...
Once this completes, users may access Cache
Starting SANCHOY
Using 'cache.cpf' configuration file

Starting Control Process
Automatically configuring buffers
Allocated 430MB shared memory: 256MB global buffers, 35MB routine buffers
Creating a WIJ file to hold 99 megabytes of data
chdir failure. errno=13, program /Users/hello/Documents/SanchoyCache/bin//./cache
Call InterSystems Technical Support. : Permission denied

Sign-on inhibited.
See cconsole.log for details.

You can point your browser to http://MacBooks-MBP:57772/csp/sys/UtilHome.csp
to access the management portal.

Installation completed successfully