Welcome to Vodafone Community
It sounds like you have performed the generic self help troubleshooting tips your able to do at your end.
Usually these types of glitches self resolve however if Live Chat have not been able to assist perhaps customer service on 191 can.
Are you still able to use the myvodafone app.
There is also the options to check certain account items in Managing Account.
Current Phone > Samsung Note 9 _512Gb > Model: SM-N960 Hybrid-Duos.
Samsung One Ui / Pie.
Samsung Gear s3 Frontier Watch.