My life is negatively impacted and no one is resolving my dispute

I logged a dispute with Transunion Credit Bureau on the 3/04/2018. The dispute was to have a default removed from my profile as I have paid the institution owed infull. Their SLA is 20 days, after 20 days they should have communicated their outcome. They never communicated with me. I called them on the 21st day and the contact centre agent told me that she is escalating my issue and it should take 2 days for the people responsible to resolve. 2 days went by and I called again now we were already way over their SLA no communication whatsoever from their side, I was told by another agent that she will also escalate my issue, what now must i wait for a further 2 days to get told that nothing was done? I was told that no one has done anything from the "escalation" department. My life is at standstill while I am waiting for someone to do something about my life. I am sorry but this is unacceptable. If there is someone accountable please HELP!