MTN does not know difference between uncapped and 3gb capped

I have had a package with MTN since 2012. This package was a uncapped package. 2022/03/31 I received a mail stating the following "We will automatically switch the line over to the default plan that matches your current inclusive value and subscription. This is only a package change so will not affect your current contract term nor does it include a device change" It specifically states that it will match, but they migrated me to a 3gb package. I have made probably like 20 calls and no one comes back to you or can transfer you to someone that can help you, Today, on the day of migration with some important deadlines, we have no internet and as always they shine with no service or anyone that can assist.