TBX import crashes with a special TBX coming from Multiterm

Level: FATAL Errorcode: E1027 Message: PHP E_ERROR: Uncaught Error: Call to a member function getId() on null in /webs/dev/marc.translate5.net/application/modules/editor/Models/Import/TermListParser/Tbx.php:796 Domain: core File (Line): /webs/dev/marc.translate5.net/application/modules/editor/Models/Import/TermListParser/Tbx.php (796) Request: PUT /editor/worker/194?cleanupSessionAfterRun=1 Trace: Stack trace: #0 /webs/dev/marc.translate5.net/application/modules/editor/Models/Import/TermListParser/Tbx.php(481): editor_Models_Import_TermListParser_Tbx->handleDescrip() #1 /webs/dev/marc.translate5.net/application/modules/editor/Models/Import/TermListParser/Tbx.php(363): editor_Models_Import_TermListParser_Tbx->handleTermEntry() #2 /webs/dev/marc.translate5.net/application/modules/editor/Services/TermCollection/Connector.php(65): editor_Models_Import_TermListParser_Tbx->parseTbxFile(Array, '310') #3 /webs/dev/marc.translate5.net/application/modules/editor/Services/Connector.php(163): editor_Services_TermCollection_Connector->addTm(Array, Array) #4 /webs/dev/marc.translate5.net/application/modules/editor/Services/ImportWorker.php(72): editor_Services_Connector->__call('addTm', Array) #5 /webs/dev/marc.translate5.net/application/modules/editor/Services/ImportWorker.php(55): editor_Services_ImportWorker->doImport() #6 /webs/dev/marc.translate5.net/library/ZfExtended/Worker/Abstract.php(510): editor_Services_ImportWorker->work() #7 /webs/dev/marc.translate5.net/library/ZfExtended/Worker/Abstract.php(459): ZfExtended_Worker_Abstract->_run() #8 /webs/dev/marc.translate5.net/library/ZfExtended/Controllers/WorkerController.php(119): ZfExtended_Worker_Abstract->runQueued() #9 /webs/mittagqi_meta/other/zend/Zend-z1-php7.3-1.13.2-p1/Zend/Controller/Action.php(516): ZfExtended_WorkerController->putAction() #10 /webs/dev/marc.translate5.net/library/ZfExtended/Controllers/AAARestController.php(287): Zend_Controller_Action->dispatch('putAction') #11 /webs/mittagqi_meta/other/zend/Zend-z1-php7.3-1.13.2-p1/Zend/Controller/Dispatcher/Standard.php(308): ZfExtended_RestController->dispatch('putAction') #12 /webs/mittagqi_meta/other/zend/Zend-z1-php7.3-1.13.2-p1/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch(Object(REST_Controller_Request_Http), Object(Zend_Controller_Response_Http)) #13 /webs/mittagqi_meta/other/zend/Zend-z1-php7.3-1.13.2-p1/Zend/Application/Bootstrap/Bootstrap.php(105): Zend_Controller_Front->dispatch() #14 /webs/mittagqi_meta/other/zend/Zend-z1-php7.3-1.13.2-p1/Zend/Application.php(384): Zend_Application_Bootstrap_Bootstrap->run() #15 /webs/dev/marc.translate5.net/library/ZfExtended/Application.php(47): Zend_Application->run() #16 /webs/dev/marc.translate5.net/library/ZfExtended/BaseIndex.php(153): ZfExtended_Application->run() #17 /webs/dev/marc.translate5.net/public/index.php(35): ZfExtended_BaseIndex->startApplication() #18 {main} thrown Request: Array ( [cleanupSessionAfterRun] => 1 )