i need a content type of calender and added all the modules required but while adding content type the following error occures the following message is displayed in the browser while i tried to add add content type... [enter image description here][1]cured..
Additional uncaught exception thrown while handling exception. Original
PDOException: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away: SELECT nt.* FROM {node_type} nt WHERE (disabled = :db_condition_placeholder_0) ORDER BY nt.type ASC; Array ( [:db_condition_placeholder_0] => 0 ) in _node_types_build() (line 744 of C:\xampp\htdocs\drupal\modules\node\node.module). Additional
PDOException: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away: SELECT ff.* FROM {filter_format} ff WHERE (status = :db_condition_placeholder_0) ORDER BY weight ASC; Array ( [:db_condition_placeholder_0] => 1 ) in filter_formats() (line 427 of C:\xampp\htdocs\drupal\modules\filter\filter.module). Uncaught exception thrown in session handler.
PDOException: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away in _drupal_session_write() (line 209 of C:\xampp\htdocs\drupal\includes\session.inc).
