Fehler beim Rendern von Aufgabe 309Language

core.mjs:9157 ERROR TypeError: Cannot read properties of null (reading 'value')
    at codemirror-highlight.ts:41:65
    at NodeList.forEach (<anonymous>)
    at CodemirrorHighlightPipe.transform (codemirror-highlight.ts:38:21)
    at pureFunction2Internal (core.mjs:22492:65)
    at Module.ɵɵpipeBind2 (core.mjs:22687:9)
    at TaskSummaryComponent_ng_template_0_Template (task-summary.component.html:2:22)
    at executeTemplate (core.mjs:12113:9)
    at refreshView (core.mjs:11998:13)
    at refreshEmbeddedViews (core.mjs:13026:17)
    at refreshView (core.mjs:12022:9)