ASIN : B0DJH372QS pls solve the problem regarding blocked the item in inventory.

i have selling in amazon for past three years , out off blue 90% of my listing get blocked (more then 1500 listings ) and inactive . i didnt get any mail or notifcation on this issuse . i have contacted the seller support and the ask to change artibuites and then ask to upload flat file in excel from and change the price but still my products are blocked and seller central is not giving a proper answer , is there any one facing same problem please help to resolve

My account is blocked because I have entered a incorrect brand name on my listing. I have already deleted that listing but still my account is blocked. How can i unblock the account