Login possible to the Web Library but not to the Standalone Client
Login possible to the Web Library but not to the Standalone Client. The exact same login credentials are accepted in the Web library but not to the Standalone client. Any known issues?
Clear the username and password field in the Sync pane of the Zotero preferences and try again, and provide a Debug ID for a sync attempt if it's still not working. (Your password won't be logged.)