I have failed verification, what should I do?

There are some common verification issues and ways for solving them:

System messageWhat does it mean?What you can do about it?
Missing document photoIt seems that the image of your document has not been uploaded.Please provide an image of the actual document (Passport, Driving license* or ID card) issued in Latin characters, with a validity period of at least 3 months. Photos of screens are not accepted.
Prohibited country or state/SanctionedUnfortunately, your verification request has been declined. According to our internal rules, your account will be closed. 
Document is expiredSeems that the document you have provided is expired. Please provide an image of the actual document (Passport, Driving license* or ID card) issued in Latin characters, with a validity period of at least 3 months. Photos of screens are not accepted.
Document with Non-Latin charactersYou have uploaded documents with Non-Latin characters. Unfortunately, we can only accept documents in Latin characters. Please provide an image of the actual document (Passport, Driving license* or ID card) issued in Latin characters, with a validity period of at least 3 months. Photos of screens are not accepted.
Part of a document is coveredA part of the document Is not visible. Please make sure that your document is fully visible, not damaged and the image is of good quality. Please provide an image of the actual document (Passport, Driving license* or ID card) issued in Latin characters, with a validity period of at least 3 months. Photos of screens are not accepted.
More than one person/Unrelated photoIt seems that there are a few people in the photo that you’ve provided us withPlease provide an image of the actual document (Passport, ID card, or Driving license*) issued in Latin characters, with a validity period of at least 3 months. Photos of screens are not accepted.
Possible fraud attemptSomething is wrong with your proof of identification.Please reach out to the Support team
MiscellaneousSomething is wrong with your proof of identification.Please reach out to the Support team
Bad Media FormatYou have uploaded a screenshot or a copy of your ID documentPlease provide an image of the actual document (Passport, Driving license* or ID card) issued in Latin characters, with a validity period of at least 3 months. Photos of screens are not accepted.
Blurred Photo/Poor Photo Lighting/Poor Photo QualityYour proof of identification has been rejected due to poor photo quality.Please provide an image of the actual document (Passport, Driving license* or ID card) issued in Latin characters, with a validity period of at least 3 months.  Make sure that the photo is clear and the whole document is visible on it.
Faces Do Not MatchYour proof of identification has been rejected due to the mismatch of your selfie and document picture.We kindly ask you to retry the identification process.
Missing Selfie PhotoYour proof of identification has been rejected due to incorrect selfie submission. We kindly ask you to retry the identification process.
Data does not matchSomething is wrong with your proof of identification.Please provide an image of the actual document (Passport, Driving license* or ID card) issued in Latin characters, with a validity period of at least 3 months. Photos of screens are not accepted.
Document not acceptedThe document which has been submitted is unacceptable.Please provide an image of the actual document (Passport, Driving license* or ID card) issued in Latin characters, with a validity period of at least 3 months. Photos of screens are not accepted.
Underage personThe document has been rejected due to the age limitation.Please reach out to the Support team