No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'null' is therefore not allowed access.

[Sarapulov]

Trying this app and received the following error:

Console

XMLHttpRequest cannot load https://SUBDOMAIN.zendesk.com/attachments/token/VERY_LONG_TOKEN_GOES_HERE/?name=FILE_NAME.pdf. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'null' is therefore not allowed access.

Console > Network tab

Request URL:https://cors-anywhere.herokuapp.com/undefined
Request Method:HEAD
Status Code:404 Invalid host

Replications steps: (error message show up on app load. Using replication steps to demonstrate the fact i've tried more manual approach here without any luck)

• install the app through market place
• opened existing ticket
• attached .pdf file & saved a ticket
• manually refreshed all apps
• can see error in console

Environment:

• latest Chrome on MAC
• login as Zendesk Admin
• Zendesk Enterprise
• no IP restrictions, no firewall, no antivirus

[globsecure]

+1