Ackermans block my phone with no reason

Hi my name is S'lindile Mhlongo, my phone no is ***,and my i d no. *** Iam have problem with Ackermans, i bought my phone on the 9 th December 2023 by Cash,but now my phone has been locked and i don't know the reason i don't owe a cent

Pls hello peter help me

Thank you