Have you search PerlMonks for similar questions? This one seems relevant and might even contain a solution: fetchrow_hashref failed problem.

map{substr$_->[0],$_->[1]||0,1}[\*||{},3],[[]],[ref qr-1,-,-1],[{}],[sub{}^*ARGV,3]

In reply to Re: DBD::mysql::st fetchrow_hashref failed: fetch() without execute() at by choroba
in thread DBD::mysql::st fetchrow_hashref failed: fetch() without execute() at by Digioso

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