Have a box of shame in the shop that includes all the major brands and a lot of the cheaper ones
Blown primers, splits, case head separation, misfires, malforms that wont chamber. Etc etc
Happens more than you think.
Its cheap for a reason. (or it should be, i note some S&B prices are through the roof!)
So long as it went bang and not kaboom and whatever you pointed at was hit by the bullet, its done its job