# Troubleshooting Catalyst
The problem with troubleshooting is that trouble shoots back.
## My Makefile.PL went boom! What do I do?
There are multiple things that can happen when your Makefile.PL goes "boom". Here are a few solutions.
### Upon receiving this error:
devin@devin-laptop:~/web-devel/womens-studies-library$ perl Makefile.PL
Can't call method "load_all_extensions" on an undefined value at inc/Module/Install.pm line 167.
BEGIN failed--compilation aborted at Makefile.PL line 3.
### What must be done here:
1. rm -rf inc/ (from MyApp/)
2. perl Makefile.PL
Fixed!
## I get warnings like Name "Class::Data::Accessor::COMPONENT" used only once: possible typo at NEXT.pm line 58
Sample error at <http://scsys.co.uk:8001/25618>
Cause: a Perl 5.10 thing. NEXT looks too close at the symbol table.
Solution: ignore, or upgrade to Catalyst 5.8, which doesn't use NEXT. May also be fixed in the core version of NEXT in [blead](http://www.perlfoundation.org/perl5/index.cgi?blead).
## I don't get a "Makefile" when I run "perl Makefile.PL"
Your copy of Module::Install in "inc" is not complete. In particular, check that you have a directory called ".author" inside "inc".
$ mkdir inc/.author
$ perl Makefile.PL
If that doesn't work then completely remove inc and follow the directions for "My Makefile.PL went boom" above. (Also, don't check-in the "inc" directory into version control.)
If that doesn't work then completely remove inc and follow the directions for "My Makefile.PL went boom" above. (Also, don't check-in the "inc" directory into version control.)
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