We would like to apologize for the inconvenience you have encountered.
Please try to log out and back in to the app first or reinstall the app if necessary. Please also make sure to update your app regularly.
This has not helped? Please use our contact form so that we can take a closer look at the difficulties. Please indicate which smartphone you are using and which iOS/Android version is installed. If you receive an error message, please let us know the time and content of the error message. Please send a screenshot via email, if possible, after submitting the contact form.
Our product team will then investigate the issue and provide a solution.