Can't access webstore on my mobile device

Product: Star Wars: Galaxy of Heroes
Platform:iOS
What type of device are you experiencing the issue with? iPhone 14
OS Version 18.3.1
Ally Code: (Find it here: http://bit.ly/AllyCode ) 953-624-867
What type of issue do you have? Missing Rewards
How often does the bug occur? Every time (100%)
Summarize your bug I When I press the log in button, an "Oops! something went wrong. Please come back later" screen pops up. When I reload or close the tab this doesn't change. On my PC, this doesn't happen and everything works as intended.. 
Steps: How can we find the bug ourselves? I'm not sure
Connection Type Wifi / Data
Please select your region Europe
Country Germany