BE CAREFUL OF LENDPLUS

I have taken a few loans from Lendplus and have been happy. There is one HUGE problem with them in the sense of the pay back date. In December they decided on their own accord that I will be paid on the 15th which I was not. They then tried taking the money of numerous times which cost me extra bank charges. Then when I was paid on the 20th the loan went off with no problem, but now they keep hounding me for R108 which is "overdue" because they decided to also charge me for the loan not going off on their instructed date. So BE CAREFUL of Lendplus people. I have communicated via phone and e-mail stating that I WILL NOT pay this as it was not on my instruction that they try to run the debit order so early. I have had no reply, instead they keep calling me and threatening me.