| Problem | Cause | Solution | Important Note |
| Username already exists | The selected username is not available because it is already in use | Create a different username and add numbers or letters | Use a unique username for easier login |
| Unable to register account | Some required fields are missing or contain incorrect details | Check all fields and fill in correct information | Please confirm your internet connection is reliable |
| Verification code not received | Network delay or wrong email or phone number | Please check your spam mailbox or request another verification code | You should wait a short time before trying to request another code |
| Registration form errors | Incorrect password format or missing fields | Check form requirements and correct the information | Your password needs to follow the platform security standards |
| Email or phone already used | The email address or phone number has already been used for an account | Please register using a different email or mobile number | Each account requires unique contact info |