Before reporting an error in this thread, please make sure it's not something that can be reported in either the Profile & Related Errors, Card & Custom Graphic Errors or Game Errors threads! If it doesn't fit in any of the above categories then feel free to post it here (along with any links, screenshots, etc. that you think we might need to see) and we'll look it over ASAP.
Known Unresolved Issues:
If you might know how to solve any of these issues or know where I can find help, please let me know!