The "A Problem Occurred" error, which Instagram users frequently encounter when creating a new profile, is usually caused by security filters or temporary server errors. You can apply the following methods to overcome this problem.
1. Change Your IP Address
If too many accounts are attempted to open from the same internet network (IP address), Instagram may temporarily block this IP. Update your IP address by turning your mobile data on and off or connecting to a different Wi-Fi network and try again.
2. Clear Browser or App Cache
Go to the storage settings of the Instagram application and clear the cache and data. If you are trying from a computer, delete your browser's cookies or try signing up via the incognito tab.
3. Use Different Registration Information
If the email address or phone number you are using is linked to a previously suspended account, the system may not allow registration. Try signing up with a completely clean and unused email.