QB Issue Resolution:

I get it, that is pretty time consuming… I think only the accountant version of QuickBooks allows unreconcile of the whole month. So if you would be able to get the accountant version (I am not aware of any requirements for having it), so you can try getting it.

Resolution for Issue 'Reconciling credit cards' available: Yes (Solved).
Source: Intuit Community forum.

Reconciling credit cards: 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.

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