Please assist me

I am currently in Taiwan and did inform my bank when I made the move hence my card is working here, I have begged and do not wanna mention the persons name because I have requested so much from this person, n they have made means on other days to assist me, but recently the person just went mute on my of which I felt it was too much for them and they are not in the department of what I may have been asking for, all I’m pleading for is for the bank to look into my account for a transaction that happened after the 15th of March 2020, and I do not know anything about, and I also asked for my recent bank statement to see if my finances are in order and I wish to transfer funds to my other Nedbank accounts, please assist me and I cannot do online transactions since they need approval from my South African cell number, my email is : ***