Loading Chatroom and activating module causes fatal error

Fatal error: out of dynamic memory in yy_create_buffer() in /homepages/36/d186685211/htdocs/RaA3/includes/theme.inc on line 78

Warning: Lost connection to MySQL server during query query: SELECT sid FROM drupalsessions WHERE sid = 'bfc4eeb66835851be3af8e43413f2ca0' in /homepages/36/d186685211/htdocs/RaA3/includes/database.mysql.inc on line 172

Warning: MySQL server has gone away query: INSERT INTO drupalsessions (sid, uid, cache, hostname, session, timestamp) VALUES ('bfc4eeb66835851be3af8e43413f2ca0', 2, 0, '92.11.35.126', 'og_last|N;form|a:2:{s:32:\"e40a51f1369dcb3791819f3cb2662018\";a:2:{s:9:\"timestamp\";i:1205437687;s:4:\"args\";a:1:{i:0;s:14:\"system_modules\";}}s:32:\"5864d7756ee72275c1edaf60cfadb490\";a:2:{s:9:\"timestamp\";i:1205438416;s:4:\"args\";a:1:{i:0;s:14:\"system_modules\";}}}messages|a:2:{s:6:\"status\";a:1:{i:0;s:25:\"Chat Room is ready to go.\";}s:5:\"error\";a:1:{i:0;s:188:\"warning: mysql_query() [function.mysql-query]: Unable to save result set in /homepages/36/d186685211/htdocs/RaA3/includes/database.mysql.inc on line 153.\";}}', 1205438452) in /homepages/36/d186685211/htdocs/RaA3/includes/database.mysql.inc on line 172