UnknownError: The operation failed for reasons unrelated to the database itself and not covered by any other error code

juraj.masiar (Juraj Masiar) April 19, 2026, 2:29pm 1

Anyone else is seeing higher than usual amount of reports from Firefox 149 users regarding broken IndexedDB database?

Topic		Replies	Views
IndexedDB error: InvalidStateError Development	2	1599	November 18, 2017
IndexedDB Viewer Problem Developer Tools	4	862	February 5, 2020
Indexed DB JSON gets parsed as an array of strings, should get parsed as JSON instead Developer Tools	1	723	June 8, 2021
IdexedDB: A request was aborted, for example through a call to IDBTransaction.abort Development	4	991	April 4, 2018
Issue attempting to delete an indexedDB database in Developer Edition? Developer Tools	4	4402	July 20, 2020