Hello to all,

just had my first b2evolution contact and I'm not quite sure if a report like this makes sense ... anyway, here's my log:

[Tue Oct 20 12:44:43 2015] [error] [client 192.168.100.103] PHP Warning:  sprintf(): Too few arguments in /var/www/b2evolution/install/_functions_create.php on line 1913, referer: http://ossn.lamp.local/install/index.php?locale=de-DE&confirmed=0&installer_version=10&action=menu-install
[Tue Oct 20 12:44:43 2015] [error] [client 192.168.100.103] PHP Stack trace:, referer: http://ossn.lamp.local/install/index.php?locale=de-DE&confirmed=0&installer_version=10&action=menu-install
[Tue Oct 20 12:44:43 2015] [error] [client 192.168.100.103] PHP   1. {main}() /var/www/b2evolution/install/index.php:0, referer: http://ossn.lamp.local/install/index.php?locale=de-DE&confirmed=0&installer_version=10&action=menu-install
[Tue Oct 20 12:44:43 2015] [error] [client 192.168.100.103] PHP   2. install_newdb() /var/www/b2evolution/install/index.php:946, referer: http://ossn.lamp.local/install/index.php?locale=de-DE&confirmed=0&installer_version=10&action=menu-install
[Tue Oct 20 12:44:43 2015] [error] [client 192.168.100.103] PHP   3. create_demo_contents() /var/www/b2evolution/install/_functions_install.php:220, referer: http://ossn.lamp.local/install/index.php?locale=de-DE&confirmed=0&installer_version=10&action=menu-install
[Tue Oct 20 12:44:43 2015] [error] [client 192.168.100.103] PHP   4. sprintf() /var/www/b2evolution/install/_functions_create.php:1913, referer: http://ossn.lamp.local/install/index.php?locale=de-DE&confirmed=0&installer_version=10&action=menu-install
[Tue Oct 20 12:44:43 2015] [error] [client 192.168.100.103] PHP Warning:  sprintf(): Too few arguments in /var/www/b2evolution/install/_functions_create.php on line 2038, referer: http://ossn.lamp.local/install/index.php?locale=de-DE&confirmed=0&installer_version=10&action=menu-install
[Tue Oct 20 12:44:43 2015] [error] [client 192.168.100.103] PHP Stack trace:, referer: http://ossn.lamp.local/install/index.php?locale=de-DE&confirmed=0&installer_version=10&action=menu-install
[Tue Oct 20 12:44:43 2015] [error] [client 192.168.100.103] PHP   1. {main}() /var/www/b2evolution/install/index.php:0, referer: http://ossn.lamp.local/install/index.php?locale=de-DE&confirmed=0&installer_version=10&action=menu-install
[Tue Oct 20 12:44:43 2015] [error] [client 192.168.100.103] PHP   2. install_newdb() /var/www/b2evolution/install/index.php:946, referer: http://ossn.lamp.local/install/index.php?locale=de-DE&confirmed=0&installer_version=10&action=menu-install
[Tue Oct 20 12:44:43 2015] [error] [client 192.168.100.103] PHP   3. create_demo_contents() /var/www/b2evolution/install/_functions_install.php:220, referer: http://ossn.lamp.local/install/index.php?locale=de-DE&confirmed=0&installer_version=10&action=menu-install
[Tue Oct 20 12:44:43 2015] [error] [client 192.168.100.103] PHP   4. sprintf() /var/www/b2evolution/install/_functions_create.php:2038, referer: http://ossn.lamp.local/install/index.php?locale=de-DE&confirmed=0&installer_version=10&action=menu-install
[Tue Oct 20 12:44:44 2015] [error] [client 192.168.100.103] PHP Warning:  sprintf(): Too few arguments in /var/www/b2evolution/install/_functions_create.php on line 2153, referer: http://ossn.lamp.local/install/index.php?locale=de-DE&confirmed=0&installer_version=10&action=menu-install
[Tue Oct 20 12:44:44 2015] [error] [client 192.168.100.103] PHP Stack trace:, referer: http://ossn.lamp.local/install/index.php?locale=de-DE&confirmed=0&installer_version=10&action=menu-install
[Tue Oct 20 12:44:44 2015] [error] [client 192.168.100.103] PHP   1. {main}() /var/www/b2evolution/install/index.php:0, referer: http://ossn.lamp.local/install/index.php?locale=de-DE&confirmed=0&installer_version=10&action=menu-install
[Tue Oct 20 12:44:44 2015] [error] [client 192.168.100.103] PHP   2. install_newdb() /var/www/b2evolution/install/index.php:946, referer: http://ossn.lamp.local/install/index.php?locale=de-DE&confirmed=0&installer_version=10&action=menu-install
[Tue Oct 20 12:44:44 2015] [error] [client 192.168.100.103] PHP   3. create_demo_contents() /var/www/b2evolution/install/_functions_install.php:220, referer: http://ossn.lamp.local/install/index.php?locale=de-DE&confirmed=0&installer_version=10&action=menu-install
[Tue Oct 20 12:44:44 2015] [error] [client 192.168.100.103] PHP   4. sprintf() /var/www/b2evolution/install/_functions_create.php:2153, referer: http://ossn.lamp.local/install/index.php?locale=de-DE&confirmed=0&installer_version=10&action=menu-install
[Tue Oct 20 12:44:44 2015] [error] [client 192.168.100.103] PHP Warning:  sprintf(): Too few arguments in /var/www/b2evolution/install/_functions_create.php on line 2257, referer: http://ossn.lamp.local/install/index.php?locale=de-DE&confirmed=0&installer_version=10&action=menu-install
[Tue Oct 20 12:44:44 2015] [error] [client 192.168.100.103] PHP Stack trace:, referer: http://ossn.lamp.local/install/index.php?locale=de-DE&confirmed=0&installer_version=10&action=menu-install
[Tue Oct 20 12:44:44 2015] [error] [client 192.168.100.103] PHP   1. {main}() /var/www/b2evolution/install/index.php:0, referer: http://ossn.lamp.local/install/index.php?locale=de-DE&confirmed=0&installer_version=10&action=menu-install
[Tue Oct 20 12:44:44 2015] [error] [client 192.168.100.103] PHP   2. install_newdb() /var/www/b2evolution/install/index.php:946, referer: http://ossn.lamp.local/install/index.php?locale=de-DE&confirmed=0&installer_version=10&action=menu-install
[Tue Oct 20 12:44:44 2015] [error] [client 192.168.100.103] PHP   3. create_demo_contents() /var/www/b2evolution/install/_functions_install.php:220, referer: http://ossn.lamp.local/install/index.php?locale=de-DE&confirmed=0&installer_version=10&action=menu-install
[Tue Oct 20 12:44:44 2015] [error] [client 192.168.100.103] PHP   4. sprintf() /var/www/b2evolution/install/_functions_create.php:2257, referer: http://ossn.lamp.local/install/index.php?locale=de-DE&confirmed=0&installer_version=10&action=menu-install
[Tue Oct 20 12:44:44 2015] [error] [client 192.168.100.103] PHP Warning:  sprintf(): Too few arguments in /var/www/b2evolution/install/_functions_create.php on line 2397, referer: http://ossn.lamp.local/install/index.php?locale=de-DE&confirmed=0&installer_version=10&action=menu-install
[Tue Oct 20 12:44:44 2015] [error] [client 192.168.100.103] PHP Stack trace:, referer: http://ossn.lamp.local/install/index.php?locale=de-DE&confirmed=0&installer_version=10&action=menu-install
[Tue Oct 20 12:44:44 2015] [error] [client 192.168.100.103] PHP   1. {main}() /var/www/b2evolution/install/index.php:0, referer: http://ossn.lamp.local/install/index.php?locale=de-DE&confirmed=0&installer_version=10&action=menu-install
[Tue Oct 20 12:44:44 2015] [error] [client 192.168.100.103] PHP   2. install_newdb() /var/www/b2evolution/install/index.php:946, referer: http://ossn.lamp.local/install/index.php?locale=de-DE&confirmed=0&installer_version=10&action=menu-install
[Tue Oct 20 12:44:44 2015] [error] [client 192.168.100.103] PHP   3. create_demo_contents() /var/www/b2evolution/install/_functions_install.php:220, referer: http://ossn.lamp.local/install/index.php?locale=de-DE&confirmed=0&installer_version=10&action=menu-install
[Tue Oct 20 12:44:44 2015] [error] [client 192.168.100.103] PHP   4. sprintf() /var/www/b2evolution/install/_functions_create.php:2397, referer: http://ossn.lamp.local/install/index.php?locale=de-DE&confirmed=0&installer_version=10&`action=menu-install

My System:
Linux lamp 3.2.0-4-amd64 #1 SMP Debian 3.2.65-1+deb7u1 x86_64 GNU/Linux
PHP 5.4.36-0+deb7u3 (cli) (built: Jan 9 2015 08:07:06)
mysql Ver 14.14 Distrib 5.5.41, for debian-linux-gnu (x86_64) using readline 6.2

Best regards.
micha