A few things off the top of my head. Use 
conf->load();

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to explicitly call the method without ambiguity.

If you're under mod_perl, my %conf will cause you no end of trouble if you try to declare it globally.

Adding in use warnings might give you an extra pointer or two.

Errr, what else? I assume the path to conf.pm can be found in @INC ? Kinda obvious, I know, but worth asking. If not, add 

use lib '/path/to/module/dir';

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before the use conf statement.

.02

cLive ;-)

In reply to Re: Module problem: can't locate object method by cLive ;-)
in thread Module problem: can't locate object method by P

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