Student-loan borrowers got incorrect notices from a major student-loan company. Lawmakers want answers.

Sen. Elizabeth Warren is investigating student-loan company MOHELA over erroneous past-due notices to borrowers. Andrew Harnik/Getty Images Lawmakers are inquiring into student-loan company MOHELA for sending erroneous past-due notices. Some borrowers said they didn't know it was a glitch and experienced credit score drops. Borrowers have reported a range of repayment errors since Trump's overhaul took effect in July. A major student-loan company is in the spotlight again for delivering…