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503 (Backend fetch failed) errors
Caution
Did you receive this error while trying to import something? If so, that means your import was too big. Please use Special:RequestImportDump on Meta to import your file.
503 (Backend fetch failed) errors indicate that our servers couldn’t be reached. Most of the time, this error is transitory and a simple refresh will solve the issue. Sometimes though, the error may persist for a few minutes, usually caused by high server load which temporarily brings the server down.
When this happens, our servers usually recover within a few minutes. Most of the time though, refreshing the page in that instant will fix the issue.
What can I do?
Try refreshing the page, that typically fixes the issue. If that doesn’t help, try again in a few minutes.
If the issue persists for more than a few minutes though, please contact us.