It is one of the most common problems in mobile phones and tablets. Usually, when you open an app, you will see a black screen for a few seconds and then the app will crash with or without an error message. There are a few ways to fix this problem.
There are a few situations that may cause the load issue in mobile apps.
If you have a login or account-related issue, please check the following steps.
It may take some time for the app company/developer to process the payment and credit to your account. Please be patient for 24-48 hours and see if the amount gets credited to your account. If not, please contact the development company using the contact details given below.
Support Website: https://crammbon.com/2020/08/14/%e3%83%9d%e3%82%b8%e3%83%86%e3%82%a3%e3%83%96%e3%83%80%e3%82%a4%e3%82%a2%e3%83%aa%e3%83%bc%e3%82%b5%e3%83%9d%e3%83%bc%e3%83%88%e3%82%b5%e3%82%a4%e3%83%88/