Q: Download or upgrade current and free apps says there's a billing problem with previous purchase previous purchase what can I do to fix it

Every time I try to download a free app or even upgrade any of my apps for free it tells me to put my Apple ID I do that then it say there a billing problem with previous purchases. So I click continue and put in my debit card information correctly but still won't work it always declines it and says he's different payment method. what can I do it's been like that for 3 months that's the only card I have.