Horse sword bug

Product: Battlefield 1
Platform:PC
Summarize your bug After I had to zoom with gun on the horse, zoom to stay on the sword
How often does the bug occur? Every time (100%)
Steps: How can we find the bug ourselves? when i driving horse
What happens when the bug occurs? Unable to back zoom sword
Please select your region Asia
In what game mode did the bug occur? Conquest
AMD or Nvidia Model Number nvidia
Enter RAM memory size in GB 8 gb

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After I had to zoom with gun on the horse, zoom to stay on the sword