Error message

• Warning: DateTime::format(): The DateTime object has not been correctly initialized by its constructor in DateObject->format() (line 384 of /var/www/drupal7/sites/all/modules/date/date_api/date_api.module).
• Warning: DateTime::format(): The DateTime object has not been correctly initialized by its constructor in DateObject->format() (line 384 of /var/www/drupal7/sites/all/modules/date/date_api/date_api.module).
• Warning: DateTime::format(): The DateTime object has not been correctly initialized by its constructor in DateObject->format() (line 384 of /var/www/drupal7/sites/all/modules/date/date_api/date_api.module).
• Warning: DateTime::format(): The DateTime object has not been correctly initialized by its constructor in DateObject->format() (line 384 of /var/www/drupal7/sites/all/modules/date/date_api/date_api.module).
• Warning: DateTime::format(): The DateTime object has not been correctly initialized by its constructor in DateObject->format() (line 384 of /var/www/drupal7/sites/all/modules/date/date_api/date_api.module).
• Warning: DateTime::format(): The DateTime object has not been correctly initialized by its constructor in DateObject->format() (line 384 of /var/www/drupal7/sites/all/modules/date/date_api/date_api.module).
• Warning: DateTime::format(): The DateTime object has not been correctly initialized by its constructor in DateObject->format() (line 384 of /var/www/drupal7/sites/all/modules/date/date_api/date_api.module).
• Warning: DateTime::setTimezone(): The DateTime object has not been correctly initialized by its constructor in DateObject->setTimezone() (line 358 of /var/www/drupal7/sites/all/modules/date/date_api/date_api.module).
• Warning: DateTime::setDate(): The DateTime object has not been correctly initialized by its constructor in DateObject->setTimezone() (line 359 of /var/www/drupal7/sites/all/modules/date/date_api/date_api.module).
• Warning: DateTime::setTime(): The DateTime object has not been correctly initialized by its constructor in DateObject->setTimezone() (line 360 of /var/www/drupal7/sites/all/modules/date/date_api/date_api.module).
• Warning: DateTime::format(): The DateTime object has not been correctly initialized by its constructor in DateObject->format() (line 384 of /var/www/drupal7/sites/all/modules/date/date_api/date_api.module).
• Warning: in_array() expects parameter 2 to be array, null given in DateObject->limitGranularity() (line 521 of /var/www/drupal7/sites/all/modules/date/date_api/date_api.module).
• Warning: in_array() expects parameter 2 to be array, null given in DateObject->limitGranularity() (line 521 of /var/www/drupal7/sites/all/modules/date/date_api/date_api.module).
• Warning: in_array() expects parameter 2 to be array, null given in DateObject->limitGranularity() (line 521 of /var/www/drupal7/sites/all/modules/date/date_api/date_api.module).
• Warning: in_array() expects parameter 2 to be array, null given in DateObject->limitGranularity() (line 521 of /var/www/drupal7/sites/all/modules/date/date_api/date_api.module).
• Warning: in_array() expects parameter 2 to be array, null given in DateObject->limitGranularity() (line 521 of /var/www/drupal7/sites/all/modules/date/date_api/date_api.module).
• Warning: in_array() expects parameter 2 to be array, null given in DateObject->limitGranularity() (line 521 of /var/www/drupal7/sites/all/modules/date/date_api/date_api.module).
• Warning: array_intersect(): Argument #2 is not an array in date_granularity_sorted() (line 1477 of /var/www/drupal7/sites/all/modules/date/date_api/date_api.module).
• Warning: array_pop() expects parameter 1 to be array, null given in date_granularity_precision() (line 1519 of /var/www/drupal7/sites/all/modules/date/date_api/date_api.module).