QB Issue Resolution:

No, they are having trouble with API /servers.  Yesterday was pretty bad and I have received some texts that it was off again and repaired again.  Think it is working now.

Resolution for Issue 'resume reconciling error message – Unexpected Error, please try again. Has anyone receive this in the past?' available: Yes (Solved).
Source: Intuit Community forum.

resume reconciling error message – Unexpected Error, please try again. Has anyone receive this in the past?: 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 API servers
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Error Recovery for API servers [Canada]
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