There isn’t a bil payment stub in QuickBooks Online.  Instead you have the bill payment voucher.  The payment voucher will show the first 13 bills and then summarize all the rest.  I’ve included a link on how to print additional information.

support.qbo.intuit.com/support/answers.cfm

Resolution for 'bil payment issue: 'Printing bill payment stub in QB online' available: Yes.

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

For more information about resolving issues related to bil payment in Quickbooks/QBO or to get support for the issue 'Printing bill payment stub in QB online', click the link below: