why am getting this error while creating issue

[Rajesh Ramanutty]

[Mohamed Benziane]

Hello, i find some interesting thread dealing with this issue :

This link can be applied fot Bitbucket and Jira.

https://confluence.atlassian.com/bitbucketserverkb/xsrf-security-token-missing-779171343.html

https://community.atlassian.com/t5/Jira-questions/XSRF-Security-Token-Missing-when-editing-an-issue/qaq-p/1261468 

https://community.atlassian.com/t5/Jira-questions/quot-XSRF-Security-Token-Missing-quot-On-almost-every-action-on/qaq-p/295410

Hope this helps