we are can’t take any weapon in survival mode. Online or private same problem.
Sorry to hear about your in-game bug.
As the issue is an in-game problem though you would actually need to report that to Activision as they make the game - Activision Support
Blizzard can only assist with purchase issues via the site or purchase and installation issues with the Battle.net launcher. All Support for in-game issues is provided by Activision.