Notice: session_start(): Ignoring session_start() because a session is already active in /var/www/html/dlbr_login.php on line 12

Fatal error: Uncaught Exception: Could not write to logfile: /var/www/html/simplesamlphp/log/simplesamlphp.log in /var/www/html/simplesamlphp/lib/SimpleSAML/Logger/LoggingHandlerFile.php:48 Stack trace: #0 /var/www/html/simplesamlphp/lib/SimpleSAML/Logger.php(217): SimpleSAML_Logger_LoggingHandlerFile->__construct() #1 /var/www/html/simplesamlphp/lib/SimpleSAML/Logger.php(238): SimpleSAML_Logger::createLoggingHandler() #2 /var/www/html/simplesamlphp/lib/SimpleSAML/Logger.php(162): SimpleSAML_Logger::log() #3 /var/www/html/simplesamlphp/lib/SimpleSAML/Session.php(662): SimpleSAML_Logger::debug() #4 /var/www/html/dlbr_login.php(15): SimpleSAML_Session->isValid() #5 {main} thrown in /var/www/html/simplesamlphp/lib/SimpleSAML/Logger/LoggingHandlerFile.php on line 48