Error Loading in Calendar - Suite CRM

Version 7.10.11
Sugar Version 6.5.25 (Build 344)

ubuntu 6.5 LTS

see attached picture

all permissions are correct I am getting the following errors which I am not sure if they are related

That “ubuntu 6.5 LTS” doesn’t sound right, is it really 6.5?

Please check your server side logs, much more helpful than the browser errors.

your logs

issue fixed:

To fix the issue i introduced the check in logic hook file to don’t include that javascript file on that page because it makes an ajax call and ajax call gets dirty response