[JavaScript Error: "TypeError: controller is undefined" {file: "chrome://zotero/content/bindings/itembox.xml" line: 1674}]

[JavaScript Error: "controller is undefined" {file: "chrome://zotero/content/bindings/itembox.xml" line: 1674}]

[JavaScript Error: "Ein Fehler ist aufgetreten. Bitte starten Sie Zotero neu.

Sie können diesen Fehler melden, indem sie "Fehler melden..." im Hilfe-Menü auswählen."]

[JavaScript Error: "this.crash@chrome://zotero/content/xpcom/zotero.js:1235:21
ZoteroPane resource://zotero/bluebird/util.js:16:16
module.exports/Promise.prototype._settlePromiseFromHandler@resource://zotero/loader.jsm -> resource://zotero/bluebird/promise.js:547:13
module.exports/Promise.prototype._settlePromise@resource://zotero/loader.jsm -> resource://zotero/bluebird/promise.js:604:13
module.exports/Promise.prototype._settlePromise0@resource://zotero/loader.jsm -> resource://zotero/bluebird/promise.js:649:5
module.exports/Promise.prototype._settlePromises@resource://zotero/loader.jsm -> resource://zotero/bluebird/promise.js:725:13
_drainQueueStep@resource://zotero/loader.jsm -> resource://zotero/bluebird/async.js:93:9
_drainQueue@resource://zotero/loader.jsm -> resource://zotero/bluebird/async.js:86:9
Async.prototype._drainQueues@resource://zotero/loader.jsm -> resource://zotero/bluebird/async.js:102:5
Async/this.drainQueues@resource://zotero/loader.jsm -> resource://zotero/bluebird/async.js:15:9
"]

[additional messages removed — D.S.]

version => 6.0.19, platform => Win32, oscpu => Windows NT 10.0; WOW64, locale => de, appName => Zotero, appVersion => 6.0.19, extensions => Zotero LibreOffice Integration (6.0.3.SA.6.0.19, extension), Zotero Word for Windows Integration (6.0.2.SA.6.0.19, extension)