Create the loan acct. first in the chart of accts (other current liability).  Then enter the deposit to that acct.

Resolution for 'booking deposits issue: 'booking deposits that are loans?' available: Yes.

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

For more information about resolving issues related to booking deposits in Quickbooks/QBO or to get support for the issue 'booking deposits that are loans?', click the link below: