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Browse credit cards from a variety of issuers to see if there's a better card for you.
Have you had credit before? Have you had it recently? Auto loan? Student loan? Mortgage? Credit cards?
If you're new to the credit world or have been out of it for many years, it's normal not to have a score. It takes about six months of credit activity to generate one. If you're not new to credit, then I'm not sure what the problem is. Let us know if you have active or recent credit.