I have set up the whole Sugar crm script. It worked very well. I had made a lot of changes and every thing worked without a problem. Now i havent login for about 4 days and have nothing changes but i get this when i go to the start screen?

Warning: array_key_exists(): The second argument should be either an array or an object in /home/pemp/public_html/demo/virtueelkantoor/log4php/LoggerPropertyConfigurator.php on line 339

Warning: array_key_exists(): The second argument should be either an array or an object in /home/pemp/public_html/demo/virtueelkantoor/log4php/LoggerPropertyConfigurator.php on line 347

Warning: array_key_exists(): The second argument should be either an array or an object in /home/pemp/public_html/demo/virtueelkantoor/log4php/LoggerPropertyConfigurator.php on line 379

Warning: Variable passed to each() is not an array or object in /home/pemp/public_html/demo/virtueelkantoor/log4php/LoggerPropertyConfigurator.php on line 452

Warning: session_start(): Cannot send session cookie - headers already sent by (output started at /home/pemp/public_html/demo/virtueelkantoor/log4php/LoggerPropertyConfigurator.php:339) in /home/pemp/public_html/demo/virtueelkantoor/index.php on line 160

Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at /home/pemp/public_html/demo/virtueelkantoor/log4php/LoggerPropertyConfigurator.php:339) in /home/pemp/public_html/demo/virtueelkantoor/index.php on line 160

Warning: Cannot modify header information - headers already sent by (output started at /home/pemp/public_html/demo/virtueelkantoor/log4php/LoggerPropertyConfigurator.php:339) in /home/pemp/public_html/demo/virtueelkantoor/index.php on line 176