In any case, running this in Tools → Run JavaScript and then restarting Zotero should fix the problem:

[JavaScript Error: "Error: Waiting for reader failed" {file: "chrome://zotero/content/xpcom/reader.js" line: 1283}]

[JavaScript Error: "HTTP request to http://127.0.0.1:23119/connector/saveSnapshot has timed out after 15000ms" {file: "chrome-extension://nmhdhpibnnopknkmonacoephklnflpho/zotero.js" line: 306}]

[JavaScript Error: "Upload request 1/J7YKNSQT failed"]I can't sync my file

[JavaScript Warning: "unreachable code after return statement" {file: "resource://zotero/loader.jsm -> resource://zotero/bluebird/util.js" line: 205 column: 4 source: " eval(obj);

But we can start with this. [JavaScript Error: "Error: Too many changes applied before saving document. Please save changes in smaller batches using Document.saveAndClose(), then reopen the document w

Any ideas on how to fix this? I have more than 4000 pseudo-links which I would like to change in batch. (Solutions using the JavaScript API are also welcome)

[JavaScript Error: "Only 0 translators present in cache. Resetting

is also capable of. It could be running a JavaScript-cryptominer or worse. I only skimmed through the source code and didn't find anything suspicious. It also has a copy of the original "Zotfile" inc

Run the following code under Tools\Developer\Run JavaScript to get an alphabetical list of all authors in the current collection, along with a count of how often they appear.

[JavaScript Error: "Error 400 for item TVNXW2ED in 我的文库:

(5)(+0000003): HTTP/1.0 200 OK X-Zotero-Version: 6.0.27 X-Zotero-Connector-API-Version: 2 Content-Type: application/javascript { "translatorID": "5e3ad958-ac79-463d-812b-a86a9235c28f", "translatorType

[JavaScript Error: "uncaught exception: out of memory" {file: "chrome://zotero/content/fileInterface.js" line: 394}]

[JavaScript Error: "HTTP request to http://127.0.0.1:23119/connector/getTranslatorCode has timed out after 15000ms" {file: "chrome-extension://nmhdhpibnnopknkmonacoephklnflpho/zotero.js" line: 306}]

[JavaScript Error: "Component returned failure code: 0x804b000a (NS_ERROR_MALFORMED_URI) [nsIIOService.newURI]" {file: "chrome://zotero/content/xpcom/storage/webdav.js" line: 205}]

[JavaScript Error: "HTTP request to https://www-scopus-com.sndl1.arn.dz/onclick/export.uri?oneClickExport={"Format":"RIS","View":"CiteAbsKeyws"}&origin=recordpage&eid=2-s2.0-85170410604&zo

[JavaScript Error: "Error: The file "/Users/[…]/Zotero/storage/GEQFCMJP/[…].pdf" is too large" {file: "chrome://zotero/content/xpcom/pdfWorker/manager.js" line: 295}]

[JavaScript Error: "uncaught exception: unopkg at C:\Program Files (x86)\OpenOffice 4\program\unopkg.exe failed to install"]"

[JavaScript Error: "Error 500 for item VVWASQT7 in Mi biblioteca:

There is also some code to list the collections to which a selected item belongs, that can be run under Tools\Developer\Run Javascript: