MTN Daily Uncapped (R40) - Unable to activate

I purchased the daily uncapped bundle for R40 and activate it via *141*5#. I have been using this for some time but for the past 2 weeks MTN either have network difficulties or I can't use it. This morning I purchased this bundle again but when I tried to activate the bundle it says it is not available on my contract. I phoned 808 for assistance which they couldn't help me. I again paid R40 via *141*2# and purchased the same bundle again. Still I can't activate this so it is using my monthly data instead of the bundles I purchased for the day. Phoning 1555 I hear again \We are currently experiencing network difficulties". The customer services told me to go to my nearest MTN store but I use these bundles to work from home. So now I have to go and sit or stand in a queue for who knows how long"