QB Issue Resolution:

When you change the Customer:Job name on an invoice, the items on that invoice will not change or delete. Is this what you’re referring to or you’re talking about the pre-fill feature, which QuickBooks pre-fills the new transaction based on previous transaction? If you’re referring to the latter, it only applies to vendors.

Resolution for Issue 'Customer Invoices' available: Yes (Solved).
Source: Intuit Community forum.

Customer Invoices: 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 customer invoices
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Error Recovery for customer invoices [Canada]
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