QB Issue Resolution:

Did you upload them in the banking?  They should show in the bank feed section.  Be sure to have the review tab selected.

Resolution for Issue 'Successfully uploaded banking transaction from a csv file to Quickbooks online. But on the next step, i.e. For Review , there is no transaction to process.' available: Yes (Solved).
Source: Intuit Community forum.

Successfully uploaded banking transaction from a csv file to Quickbooks online. But on the next step, i.e. For Review , there is no transaction to process.: 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 bank feed section
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Error Recovery for bank feed section [Canada]
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