Cannot change the start time or change currency from EUR to USD

🚧 THIS IS A TICKET MIGRATED FROM UPVOTY. The original ticket and comments will be available for a limited time over at:
https://abrp.upvoty.com/b/report-a-bug/abrp-premium-concerns/
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Since I was having trouble with both mobile app and online, I decided to sign up for the Premium option. I cannot change the start time or change currency from EUR to USD to start with. Hoping all my other concerns will be addressed by signing up for Premium. Christyne