Wait 2-3 minutes
Sometimes the code is not received immediately. Possible reasons: bad connection, peculiarities of the operator.
Check incoming WhatsApp messages
Perhaps you did not notice the notification or it is not displayed on the screen.
Restart your phone and try again
This will reconnect to the network and may solve other problems that may be preventing you from receiving messages.
Select another method of confirming your actions
Go to the web version and choose another verification method
Log in to your profile via bilder.io → Click on your name in the top right corner → Settings → Security → Two-factor authentication.
Uninstall the Bilder App, reinstall it and try again
This may help to get rid of unexpected errors.
If the code is incorrect
Keep in mind that if you requested the code repeatedly, only the last sent code will be active.