Yes you enter back dated transactions

There is no info only type of transaction, so any transaction may affect the balance sheet accounts too, banking, liability, assets etc

Resolution for 'assets etc issue: 'Can I keyed in backdated account details' available: Yes.

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

For more information about resolving issues related to assets etc in Quickbooks/QBO or to get support for the issue 'Can I keyed in backdated account details', click the link below: