The 50 mm latv4 recon cannon cannot be installed, although it is unlocked

Product: Battlefield 2042
Platform:PC
Please specify your platform model. PC
AMD or Nvidia Model Number 3070
Enter RAM memory size in GB 16
Are you using any software with an overlay? No
Which part of the game is the issue happening in? Multiplayer
Which part of the mode? Conquest
Please select your region Europe
On which server did this happen? Europe
When did this happen? (dd.mm.yy hh:mm) 31.12.2021
Summarize your bug There is a problem with opening the combat module of the 50mm cannon on the latv4 recon. All the necessary tasks have been completed. The module is simply locked and cannot be installed.
How often does the bug occur? Every time (100%)
Steps: How can we find the bug ourselves? There is a problem with opening the combat module of the 50mm cannon on the latv4 recon. All the necessary tasks have been completed. The module is simply locked and cannot be installed.
What happens when the bug occurs? there is no error, a cross is drawn on the module icon, all tasks are completed and the progress scale is filled
What should be happening instead? when opening the module, it must be installed on the equipment

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Good afternoon. There is a problem with opening the combat module of the 50mm cannon on the latv4 recon. All the necessary tasks have been completed. The module is simply locked and cannot be installed. Please solve this problem.