( The original content of the OP talked about getting around Can't use string ("0") as a SCALAR ref while "strict refs" by turning off strict. )
Unless you really are trying to access the variable $0, use strict 'refs'; caught a real error. Don't ignore it.
Sounds like you did
$ref = @array;
or
$hoa{foo} = @array;
or
$aoa[$i] = @array;
earlier in your program where you should have done
$ref = \@array;
or
$hoa{foo} = \@array;
or
$aoa[$i] = \@array;
or
$ref = [ @array ];
or
$hoa{foo} = [ @array ];
or
$aoa[$i] = [ @array ];
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