You have to click the bottom selection. Where you edit the account.  https://www.artesanibookkeeping.com/disconnect-bank-feed/

Resolution for 'bottom selection issue: 'Disconnecting bank account from download' available: Yes.

The bottom selection 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 bottom selection issue yourself by looking for a resolution described in the article. If it is a complex bottom selection issue or you are unable to solve the issue, you may contact us by clicking here or by using other bottom selection support options.

For more information about resolving issues related to bottom selection in Quickbooks/QBO or to get support for the issue 'Disconnecting bank account from download', click the link below: