Your hunch is correct. Do you have any inkling as to why the appeal was dismissed in the first place? Did you miss a deadline? Did the respondent file a motion to dismiss, which was then granted? Much depends upon why (and when) your appeal was dismissed.
Frank W. Chen has been licensed to practice law in California since 1988. The information presented here is general in nature and is not intended, nor should be construed, as legal advice. This posting does not create any attorney-client relationship with the author. For specific advice about your particular situation, consult your own attorney.