Network request error Access denied for user anonymous

[programacion-web]

Good day,

I have Drupal and module GraphMind Version: 7.x-2.0-beta14

I was working Correctly graphmind on a production site, from night to night has given me the following errors that are not as correct.

Network request error:
Error details:
Details: undefined
Code: undefined
Description: Access denied for user anonymous
Level: undefined
Line: 142

link of issue report:
https://www.drupal.org/node/2596915

link of screenshot error:
https://www.drupal.org/files/issues/Screenshot_2015-10-20_00-41-26.png

If someone could help me, I would be eternally grateful.

Thank you