and Financial is a general word, all what concerns money as Christine pointed. Fiscal is specific, it deals with the money that the government collects from economic activities as taxes etc....Cherry's good example: Fiscal Year

According to Christine's explanation you say : Fiscal year Financial problems

financial - this word means all the things pertaining to money matters , receipts and expenditures. "my financial documents" fiscal -[as an adjective]this pertains to the public treasury in general. fiscal - [as a noun] an attorney that prosecutes.