QB Issue Resolution:

I have BOA and it is working now.  Try clearing the cache in your browser, log out of qbo and log back in. Then click update to refresh it.  You may have to click update a few times.

Resolution for Issue 'I am getting the following error. “Something isn’t working Sorry, we can’t update your account. Please try updating again later.(9999)”. Bank of America account.' available: Yes (Solved).
Source: Intuit Community forum.

I am getting the following error. “Something isn’t working Sorry, we can’t update your account. Please try updating again later.(9999)”. Bank of America account.: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.

Support for America account
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Error Recovery for America account [Canada]
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