Error message

• Notice: Undefined property: stdClass::$field_author_name in ipress_username() (line 123 of /var/www/vhosts/postwave.gr/httpdocs/sites/all/themes/ipress/template.php).
• Notice: Undefined index: und in include() (line 21 of /var/www/vhosts/postwave.gr/httpdocs/sites/all/themes/ipress/tpl/node--article.tpl.php).
• Notice: Undefined variable: comment_count in include() (line 21 of /var/www/vhosts/postwave.gr/httpdocs/sites/all/themes/ipress/tpl/node--article.tpl.php).
• Warning: array_flip(): Can only flip STRING and INTEGER values! in DrupalDefaultEntityController->load() (line 175 of /var/www/vhosts/postwave.gr/httpdocs/includes/entity.inc).
• Warning: array_flip(): Can only flip STRING and INTEGER values! in DrupalDefaultEntityController->cacheGet() (line 391 of /var/www/vhosts/postwave.gr/httpdocs/includes/entity.inc).
• Notice: Trying to get property 'type' of non-object in eval() (line 13 of /var/www/vhosts/postwave.gr/httpdocs/modules/php/php.module(80) : eval()'d code).
• Warning: array_flip(): Can only flip STRING and INTEGER values! in DrupalDefaultEntityController->load() (line 175 of /var/www/vhosts/postwave.gr/httpdocs/includes/entity.inc).
• Warning: array_flip(): Can only flip STRING and INTEGER values! in DrupalDefaultEntityController->cacheGet() (line 391 of /var/www/vhosts/postwave.gr/httpdocs/includes/entity.inc).
• Notice: Trying to get property 'type' of non-object in eval() (line 13 of /var/www/vhosts/postwave.gr/httpdocs/modules/php/php.module(80) : eval()'d code).
• Warning: array_flip(): Can only flip STRING and INTEGER values! in DrupalDefaultEntityController->load() (line 175 of /var/www/vhosts/postwave.gr/httpdocs/includes/entity.inc).
• Warning: array_flip(): Can only flip STRING and INTEGER values! in DrupalDefaultEntityController->cacheGet() (line 391 of /var/www/vhosts/postwave.gr/httpdocs/includes/entity.inc).
• Notice: Trying to get property 'type' of non-object in eval() (line 13 of /var/www/vhosts/postwave.gr/httpdocs/modules/php/php.module(80) : eval()'d code).
• Warning: array_flip(): Can only flip STRING and INTEGER values! in DrupalDefaultEntityController->load() (line 175 of /var/www/vhosts/postwave.gr/httpdocs/includes/entity.inc).
• Warning: array_flip(): Can only flip STRING and INTEGER values! in DrupalDefaultEntityController->cacheGet() (line 391 of /var/www/vhosts/postwave.gr/httpdocs/includes/entity.inc).
• Notice: Trying to get property 'type' of non-object in eval() (line 13 of /var/www/vhosts/postwave.gr/httpdocs/modules/php/php.module(80) : eval()'d code).
• Warning: array_flip(): Can only flip STRING and INTEGER values! in DrupalDefaultEntityController->load() (line 175 of /var/www/vhosts/postwave.gr/httpdocs/includes/entity.inc).
• Warning: array_flip(): Can only flip STRING and INTEGER values! in DrupalDefaultEntityController->cacheGet() (line 391 of /var/www/vhosts/postwave.gr/httpdocs/includes/entity.inc).
• Notice: Trying to get property 'type' of non-object in eval() (line 13 of /var/www/vhosts/postwave.gr/httpdocs/modules/php/php.module(80) : eval()'d code).
• Warning: array_flip(): Can only flip STRING and INTEGER values! in DrupalDefaultEntityController->load() (line 175 of /var/www/vhosts/postwave.gr/httpdocs/includes/entity.inc).
• Warning: array_flip(): Can only flip STRING and INTEGER values! in DrupalDefaultEntityController->cacheGet() (line 391 of /var/www/vhosts/postwave.gr/httpdocs/includes/entity.inc).
• Notice: Trying to get property 'type' of non-object in eval() (line 13 of /var/www/vhosts/postwave.gr/httpdocs/modules/php/php.module(80) : eval()'d code).