poor services

Woolworth uses this lawyers as a collection lawyers , i have paid Woolworth there money since July 2020 , however i am still receiving calls from them asking me to pay . i have send them all necessary document to show that i have paid but still till this days they are coming up with excuses to give me my paid up letter. i am disappointed with Woolworth hence i did complaint to them 2 weeks ago and also e mailed them the proof of payment. i have been asking to speak to Constance from Brooks and luyt till today she has received my e mail but she does not respond. advise to Woolworth is to change there lawyer. i need help for someone to resolve my matter hence i have paid and my name to be cleared