Fatal error: Uncaught Error: Call to a member function is_identity() on null in /var/www/vhosts/fdsbilder.www19.webhosting-account.com/rocknroll/include/derivative.inc.php:307
Stack trace:
#0 /var/www/vhosts/fdsbilder.www19.webhosting-account.com/rocknroll/include/derivative.inc.php(201): DerivativeImage::build()
#1 /var/www/vhosts/fdsbilder.www19.webhosting-account.com/rocknroll/include/template.class.php(1308): DerivativeImage->__construct()
#2 /var/www/vhosts/fdsbilder.www19.webhosting-account.com/rocknroll/_data/templates_c/1k844ag^30d091586dbd18665cb85abc20439d315c357b69_0.file_comment_list.tpl.php(72): PwgTemplateAdapter->derivative()
#3 /var/www/vhosts/fdsbilder.www19.webhosting-account.com/rocknroll/include/smarty/src/Template/GeneratedPhpFile.php(111): content_6af0ef6c4d1df5_65209281()
#4 /var/www/vhosts/fdsbilder.www19.webhosting-account.com/rocknroll/include/smarty/src/Template/Compiled.php(110): Smarty\Template\GeneratedPhpFile->getRenderedTemplateCode()
#5 /var/www/vhosts/fdsbilder.www19.webhosting-account.com/rocknroll/include/smarty/src/Template.php(180): Smarty\Template\Compiled->render()
#6 /var/www/vhosts/fdsbilder.www19.webhosting-account.com/rocknroll/include/smarty/src/Template.php(287): Smarty\Template->render()
#7 /var/www/vhosts/fdsbilder.www19.webhosting-account.com/rocknroll/_data/templates_c/1k844ag^3b049044ea3058e78d09b6782a4bd30b3317d92d_0.file_comments.tpl.php(160): Smarty\Template->renderSubTemplate()
#8 /var/www/vhosts/fdsbilder.www19.webhosting-account.com/rocknroll/include/smarty/src/Template/GeneratedPhpFile.php(111): content_6af0edb4b1e631_14370897()
#9 /var/www/vhosts/fdsbilder.www19.webhosting-account.com/rocknroll/include/smarty/src/Template/Compiled.php(110): Smarty\Template\GeneratedPhpFile->getRenderedTemplateCode()
#10 /var/www/vhosts/fdsbilder.www19.webhosting-account.com/rocknroll/include/smarty/src/Template.php(180): Smarty\Template\Compiled->render()
#11 /var/www/vhosts/fdsbilder.www19.webhosting-account.com/rocknroll/include/smarty/src/Template.php(655): Smarty\Template->render()
#12 /var/www/vhosts/fdsbilder.www19.webhosting-account.com/rocknroll/include/smarty/src/Template.php(589): Smarty\Template->_execute()
#13 /var/www/vhosts/fdsbilder.www19.webhosting-account.com/rocknroll/include/smarty/src/Smarty.php(2121): Smarty\Template->fetch()
#14 /var/www/vhosts/fdsbilder.www19.webhosting-account.com/rocknroll/include/template.class.php(515): Smarty\Smarty->fetch()
#15 /var/www/vhosts/fdsbilder.www19.webhosting-account.com/rocknroll/include/template.class.php(535): Template->parse()
#16 /var/www/vhosts/fdsbilder.www19.webhosting-account.com/rocknroll/comments.php(545): Template->pparse()
#17 {main}
thrown in /var/www/vhosts/fdsbilder.www19.webhosting-account.com/rocknroll/include/derivative.inc.php on line 307