A customer cannot publish site in the Web Presence Builder (WPB) 11.0, the following error message is displayed in WPB:
Error Unexpected behavior from the server Contact the server administrator
The following enties appear in the log file %WPB_root%/htdocs/tmp/sitebuilder.log on the corresponding WPB server during the site publishing process:
2013-08-16T05:23:58+02:00 [EMERG] [System] /JsonApi/ Base_SyntaxException: PHP Notice : Undefined index: thumbUrl file: /var/www/vhosts/7/1234567/webspace/siteapps/26400/htdocs/include/SB/Widget/Imagegallery/Compiler/Publish.php 2013-08-16T05:23:58+02:00 [DEBUG] [System] /JsonApi/ Try to execute action error.ajax in controller error of module general 192.168.1.101 http://wpb.provider.com/Editor Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/20100101 Firefox/17.0 2013-08-16T05:23:58+02:00 [EMERG] [System] /JsonApi/ Base_SyntaxException: PHP Notice : Undefined index: thumbUrl
The broken Image Gallery module is installed on the problem WPB site (links to all images are broken - black rectangle with a cross sign is shown). The problem has been fixed since WPB 11.5.
Upgrade Web Presence Builder to 11.5.
To resolve the problem with the particular site delete the broken Image Gallery module from it, then try to publish the site again.