Submit a support ticket 

A question related to my subscription or billing
A question to use or configure Odoo
A bug or a wrong behavior but no traceback
A bug with a traceback
An issue related to my upgrade (production)
An issue related to my upgrade (test phase)

Recommendations :

Please provide us the detail description as much as you can, It will be more helpful if you could upload with the screenshot as well so it can speed up our investigation.