Migration from contract to prepaid nightmare

Good day

On the 16th of August I called in to request a migration from contract to prepaid on my number *** I received an authorisation letter which was for a sim swap

I called again on the 19th and received another authorisation letter, this time it was for a different customer.

My details are as follows Immaculate Leseyane

***

However the second letter I received was for

Jerry Mogoni Account Holder ID Number:

Not only is this in breach of POPIA but an inconvenience to me.

Please can I have an authorisation letter to migrate my number from contract to prepaid

Hereby attached is there two letters that were sent to me