Error message

• Notice: Undefined index: default_product in commerce_product_urls_form_alter() (line 63 of /home/autoalati/public_html/sites/all/modules/commerce_product_urls/commerce_product_urls.module).
• Notice: Trying to get property of non-object in commerce_product_urls_form_alter() (line 63 of /home/autoalati/public_html/sites/all/modules/commerce_product_urls/commerce_product_urls.module).
• Notice: Undefined offset: 0 in print_terms() (line 155 of /home/autoalati/public_html/sites/all/modules/presentcommerce_jquery_catalog/presentcommerce_jquery_catalog.module).