"Error 'Please use buildTutorialTopicFor: instead'"

when I try to open it from the menu.

ProfStefHelpTutorialBuilder >> buildHelpTopicFrom: aHelpTopicDescription
��� "Start building from the given help topic description"
���
��� ^(self new)
��� ��� rootToBuildFrom: aHelpTopicDescription;
��� ��� build;
��� ��� topicToBuild

the rpoblem is that #new

I am using last versions of Pharo1.3

--
Mariano
http://marianopeck.wordpress.com