Product: Credit reporting, credit repair services, or other personal consumer reports

On Friday, XX/XX/XXXX i received an alert from XXXX XXXX   saying that JPMCB Auto Finance has added new missed payments to you XXXX  credit report. So I was alarmed immediately because I don't have an account with Chase anymore, my vehicle was lost in the great flood of XXXX here in XXXX XXXX, Louisiana ; that vehicle was a total loss and XXXX and my Gap insurance company ( XXXX XXXX ) paid the vehicle off. I received confirmation from all 3 parties showing payments had been sent and received and the account was paid in full. 
I learned on XXXX  and XXXX  when I called Chase ( as well as yesterday after speaking to 5 people after 2 hours ) that Chase never alerted me that there was a balance the Gap insurance did not pay or they did not send a full amount on. I stated the Chase representative, I received correspondence form all parties that the account was paid in full and closed and I had not other communication from Chase since XXXX of XXXX after notification of full payment was received. I moved on with life. 

So as of Friday, it not only shows an old balance left over from XXXX in the amount {$1000.00}, it currently shows as a new added account that I've had missed payments on dating in XXXX, XXXX, and currently in XXXX. 

We are in the process of buying a house. That incorrect reporting dropped my credit score down 54 points. I spoke with the 5 representatives on yesterday with Chase and all they confirmed  that they showed a XXXX balance account for me. They said that Chase had just gone through a " name change '' a few weeks back and that people had been calling in complaining of the same thing and stated that old accounts were showing up as new reportings with delinquent payment history. I stated well that is not right and that needs to be removed. 
The representative XXXX ID # XXXX, in the Chase Credit bureau department ( XXXX, XXXX, XXXX, XXXX & then XXXX ), stated that he would put in a dispute with his department to have the reporting history removed from credit bureau and that it would take 5 to 10 days. He was finally able to pull up my credit report with me to see what I was talking about it shows, clear as day, negative missed payments from XXXX to XXXX and it JUST posted to my bureau on XX/XX/XXXX, because the 2 loan originator would have caught that in XXXX and XXXX, and XXXX, and last month during this process of building my credit score. Now I have to wait until this get 's cleared. XXXX XXXX shows XXXX and XXXX. I'm not sure if it's reported to XXXX. 

XXXX stated that it was a mistake and that all of the negative reporting history after the account was closed in XXXX, needed to be removed. He stated that I should received something from his department confirming that ONCE everything was completed in 5-10 days. 

At this point, because their system did that to me, I don't have any faith that they will honor that, so I'm filing a complaint. The Chase representative even admitted that this has happened to other people. 

I would like assistance in insuring that my credit file with all 3 bureaus will be clear of this incorrect/negative from JMPCB Finance. I'm freaking out because I hope this doesn't take long to where I will lose the house I'm looking at.