Error message

• Warning: array_flip() [function.array-flip]: Can only flip STRING and INTEGER values! in DrupalDefaultEntityController->load() (line 175 of /home/iritechc/public_html/includes/entity.inc).
• Notice: Trying to get property of non-object in include() (line 5 of /home/iritechc/public_html/sites/all/themes/iritech_responsive/page.tpl.php).
• Notice: Undefined variable: nodeid in include() (line 327 of /home/iritechc/public_html/sites/all/themes/iritech_responsive/page.tpl.php).
• Notice: Undefined variable: nodeid in include() (line 366 of /home/iritechc/public_html/sites/all/themes/iritech_responsive/page.tpl.php).
• Recoverable fatal error: Argument 1 passed to xmlsitemap_node_create_link() must be an instance of stdClass, boolean given, called in /home/iritechc/public_html/sites/all/modules/xmlsitemap/xmlsitemap_node/xmlsitemap_node.module on line 28 and defined in xmlsitemap_node_create_link() (line 194 of /home/iritechc/public_html/sites/all/modules/xmlsitemap/xmlsitemap_node/xmlsitemap_node.module).