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QuickBooks Online Sync Error: ERROR CODE:6003, ERROR MESSAGE:message=General IO error while proxying request

Error

ERROR CODE:6003, ERROR MESSAGE:message= General IO error while proxying request

 

Explanation

The connection between Bill.com and QuickBooks Online was interrupted. Wait five minutes and sync again.

 

Solution

If this error persists after five attempts at running the sync with five minutes between each attempt, please contact Bill.com Customer Support.