By closed do you mean the bank closed the acct. or do you mean that qbo closed your subscription?

Resolution for 'closed account issue: 'How do I reconcile a closed account?' available: Yes.

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

For more information about resolving issues related to closed account in Quickbooks/QBO or to get support for the issue 'How do I reconcile a closed account?', click the link below: