die "X - " . $file{'receipt', 'file'};

Just in case it helps others who were as confused as I was, this old node explains why Bod is still using Perl's deprecated multidimensional feature.

Note that use v5.36; disables this ancient Perl-4-style multidimensional array emulation.

Update: see also : Data Structure References 

👁️🍾👍🦟

In reply to Re: CGI::Carp sometimes fails by eyepopslikeamosquito
in thread CGI::Carp sometimes fails by Bod

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