QUEENSPARK (RCS) ACCOUNT

Owning a Queenspark Clothing account for some years now and since December 2017 have endless problems with payments made and not allocated to my account. On 5 ocassions have forwarded POP for: June 2017 all in order July 2017 all in order August 2017 all in order September query but sorted out in 2 days October 2017 all in order November 2017 all in order December 2017 cant find the payment POP sent on 5 occasions January 2018 cant find the payment POP sent on 5 occasions February 2018 cant find the payment POP sent on 5 occasions March 2018 cant find the payment POP sent on 5 occasions.... and they requested the account reference be changed? April 2018 all in order June 2018 all in order the account subsequently handed over to Blake and Associates sent all 4 POP 2x withing 24hours to different requests On Tuesday 17th July received another call from Blake .... asked if they have received the 2 emails and the person hung up?

Trust this could be sorted out soonest?