We've released a hotfix for update 1.9.1 that contains the following changes:

Bug Fixes

• Fixed a crash that occurred when toggling an Accessory or toggleable optic without a Primary or Secondary weapon equipped on controllers
  
• Fixed an issue where players who purchased the Urban Digital DLC after the release of 1.9.1 were unable to use the weapon skin
  
• Removed the Contender achievement as it is no longer obtainable
  
• Fixed a level design issue where the floor was missing in the Insurgent Loadout menu when playing Power Plant
  

To see the current known issues list, please see our community Trello board here.