[development] Warnings in module that creates Conteny Type programatically

Hello, Here I posted the issue I am having trying to créate a module that needs a custom content-type. http://drupal.stackexchange.com/questions/144255/create-content-type-from-co... I'll appreciate if anyone could help me to understand why these warnings and how to avoid them. I guess I am skipping something since the Warnings come from the core module field. Thanks in advance. Regards, J. Manuel