DATA 'Disappearing/ removed' from my fone that was paid for in full

<p>I use WIFI and the office and work.</p> <p>I built up a crdeit of in excess of 2.3 Gigs of data over the past 3 months.</p> <p>My old contract came to an end on 31 August and my new contract came into play on 1 September 2016.</p> <p>LOW and BEHOLD the DATA credit was 'removed' / 'disappeared' from my cell fone when I made inquiries via *111# as on 2 September 2016 at 09:35 stands at 393.88 MB</p> <p>I PAID for the DATA and have the right to use it when and how I choose to. VODACOM please correct this matter. </p>