QB Issue Resolution:

If a transaction was added through the use of the Online Banking/Bank Feeds Center, then, adding it without assigning it to any income account will put it to the Uncategorized Income account. This account is automatically created by QB, it can be renamed into a different account but its type (Income) cannot be changed.

In this case, I don’t see a problem renaming this account to Rent or other income since it is still an Income Account. However, all of the transactions added through the use of Bank Feeds that won’t be assigned to any Income Account will automatically be associated to it.

I believe it would still be best to use other Income Accounts for you to have the ability to use this account in the future when needed. (Optional)

Resolution for Issue 'How to correct mistake setting up QB? I did not create income accounts' available: Yes (Solved).
Source: Intuit Community forum.

How to correct mistake setting up QB? I did not create income accounts: 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 account to Rent
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Error Recovery for account to Rent [Canada]
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