Fatal error:  Uncaught TypeError: in_array(): Argument #2 ($haystack) must be of type array, null given in /var/www/clients/client2/web3/web/stagenet/templates_c/a8ae80aa11a603dac167db52aed5721d9254775f_0.file.form.tpl.php:78
Stack trace:
#0 /var/www/clients/client2/web3/web/stagenet/templates_c/a8ae80aa11a603dac167db52aed5721d9254775f_0.file.form.tpl.php(78): in_array()
#1 /var/www/clients/client2/web3/web/stagenet/core/vendor/smarty/smarty/libs/sysplugins/smarty_template_resource_base.php(123): content_6698f3672c5021_16231652()
#2 /var/www/clients/client2/web3/web/stagenet/core/vendor/smarty/smarty/libs/sysplugins/smarty_template_compiled.php(114): Smarty_Template_Resource_Base->getRenderedTemplateCode()
#3 /var/www/clients/client2/web3/web/stagenet/core/vendor/smarty/smarty/libs/sysplugins/smarty_internal_template.php(217): Smarty_Template_Compiled->render()
#4 /var/www/clients/client2/web3/web/stagenet/core/vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatebase.php(238): Smarty_Internal_Template->render()
#5 /var/www/clients/client2/web3/web/stagenet/core/vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatebase.php(116): Smarty_Internal_TemplateBase->_execute()
#6 /var/www/clients/client2/web3/web/stagenet/core/shortcodes.php(136): Smarty_Internal_TemplateBase->fetch()
#7 /var/www/clients/client2/web3/web/stagenet/core/lib/frontend_functions.php(3875): include('...')
#8 [internal function]: {closure}()
#9 /var/www/clients/client2/web3/web/stagenet/core/lib/frontend_functions.php(3854): preg_replace_callback()
#10 /var/www/clients/client2/web3/web/stagenet/core/seitenaufbau.php(445): call_widgets()
#11 /var/www/clients/client2/web3/web/stagenet/core/index.php(18): require_once('...')
#12 {main}
  thrown in /var/www/clients/client2/web3/web/stagenet/templates_c/a8ae80aa11a603dac167db52aed5721d9254775f_0.file.form.tpl.php on line 78