ALC PER OPTIC SETTINGS BUG CANNOT BE TURNED ON ALWAYS RESET BACK TO DEFAULT

[76561199764767032]

I was trying to change my sens, im using 4-3 linear but I change my per optic settings in ALC, everytime I try to back to change, my per optic settings on ALC always off and when on, it always getting back to default sens 1.0 no matter how many times I tried

if u have same issue with me and find the solutions, please help me. Thank you