Hi I cannot finish filing as my federal taxes won’t let me correct the qbi at risk op loss

Qualified Business Income (QBI) is associated with business income from self-employment and from ownership in partnerships or S corporations (schedule K-1). Without knowing what type of income your reported that generated QBI on your tax return, I can't be too specific as to how to correct entries associated with your QBI. However, you will find the QBI questions in the section where you enter business income from Form 1099-NEC and schedule K-1. I suggest you re-visit those sections and look for the QBI questions in the screens after you enter the business income reporting form information.