u/Fun-Village6600

im sure there’s a lot of posts asking about this and I have scanned a ton trying to find my answer but I’m struggling with my 50 1.4 on my canon 5D mark3 and it being sharp. I’ve been shooting for years with this and haven’t had this issue until now but I cannot get it tack sharp at 1.4 and it’s really frustrating me. I feel like I should be able to get a sharp photo at 1.4 but cannot seem to do it. even 1.8. is this a common lens issue or a me problem? should I forget the 50 and try a different lens?

thank you for any help! I've included an unedited photo for example.