QB Issue Resolution:
You can remove the check mark in the 1-line checkbox in the lower left-hand corner. This will show the Memo field on each transaction. That will do it.
Resolution for Issue 'Add Memo Line for Banking Register' available: Yes (Solved).
Source: Intuit Community forum.
Add Memo Line for Banking Register: 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 banking register
Quickbooks Repair Pro will resolve it efficiently and affordably. Guaranteed resolution of your issue, or you pay nothing!
Error Recovery for banking register [Canada]
E-Tech is the #1 Quickbooks data migration and Conversion service provider.
Additional Support Options: