Question about 1990 Buick Riviera

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1990 buick riviera dash reads "Error" and "electrical problem". Clicks and wont start

Everything was working fine on my 1990 buick riviera then i went to start it and the dash light up just fine then went into vertical red lines and read error with the elecrtrical problem idiot light on. tried to start anyways and it only clicks like a dead battery. Any suggestions?

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