Error: yii\base\UnknownMethodException: Calling unknown method: app\models\db\Amendment::getNumberOfCountableLines() in /var/www/antragstool/vendor/yiisoft/yii2/base/Component.php:300
Stack trace:
#0 /var/www/antragstool/models/db/Motion.php(719): yii\base\Component->__call()
#1 /var/www/antragstool/models/db/AmendmentSection.php(113): app\models\db\Motion->getFirstLineNumber()
#2 /var/www/antragstool/models/sectionTypes/TextSimple.php(459): app\models\db\AmendmentSection->getFirstLineNumber()
#3 /var/www/antragstool/views/amendment/LayoutHelper.php(155): app\models\sectionTypes\TextSimple->printAmendmentToPDF()
#4 /var/www/antragstool/views/motion/pdf_collection_tcpdf.php(28): app\views\amendment\LayoutHelper::printToPDF()
#5 /var/www/antragstool/vendor/yiisoft/yii2/base/View.php(347): require('...')
#6 /var/www/antragstool/vendor/yiisoft/yii2/base/View.php(257): yii\base\View->renderPhpFile()
#7 /var/www/antragstool/vendor/yiisoft/yii2/base/View.php(156): yii\base\View->renderFile()
#8 /var/www/antragstool/vendor/yiisoft/yii2/base/Controller.php(438): yii\base\View->render()
#9 /var/www/antragstool/controllers/MotionExportTraits.php(261): yii\base\Controller->renderPartial()
#10 [internal function]: app\controllers\MotionController->actionPdfcollection()
#11 /var/www/antragstool/vendor/yiisoft/yii2/base/InlineAction.php(57): call_user_func_array()
#12 /var/www/antragstool/vendor/yiisoft/yii2/base/Controller.php(178): yii\base\InlineAction->runWithParams()
#13 /var/www/antragstool/controllers/Base.php(148): yii\base\Controller->runAction()
#14 /var/www/antragstool/vendor/yiisoft/yii2/base/Module.php(552): app\controllers\Base->runAction()
#15 /var/www/antragstool/vendor/yiisoft/yii2/web/Application.php(103): yii\base\Module->runAction()
#16 /var/www/antragstool/vendor/yiisoft/yii2/base/Application.php(384): yii\web\Application->handleRequest()
#17 /var/www/antragstool/web/index.php(22): yii\base\Application->run()
#18 {main}