RE: How to solve QuickBooks error 9999?
if you are using QuickBooks online for banking account then you feel your system hang or working slowly it means you getting QuickBooks error 9999. or if you change your banking information in QuickBooks then when you use it following error occurs. if you want to solve your banking error 9999 dial QuickBooks Customer Service 1-800-449-0204.
Fixing QuickBooks Banking Error 9999
The first thing to do is click on “Updates” and run it three times to see the results.
Clearing the cache is another way to fix it.
Disconnecting and reconnecting the feed many times solves the issue.
When you disconnect the feed there shouldn’t be any transaction listed in the list.
Regards,
Will