$ball = Ballsearch->new;

$ball->findball;	# Works fine

# Creates new object using CGI::Application::Plugin::Session
my $session = $self->session;

$session->param("ball", $ball);

$ball = $self->session->param("ball");

print ref($ball);	# Prints:  Ballsearch

$ball->findball;  # Error:  Can't locate object method find via package Ballsearch 

$ball->Ballsearch::findball;   # This works