Bug report
Title: Invoice PDF is blank when the customer name has an accent
Product and area: Billing app, invoice export
Reported by: Anna Berg
Date: 14 October 2027
Severity: High
Steps to repeat
1. Open Billing and create a new invoice.
2. Enter the customer name "Zoë Müller".
3. Save, then press Download PDF.
What was expected
A PDF with the customer name, lines and total.
What happened
The PDF has a blank page. No error is shown.
How often: Every time
Where it happens
Billing app 4.2.1, Windows 11, Chrome 128
Impact
About 30 customers with accented names cannot get invoices. Finance sends them by hand.
Evidence
Screenshot blank-pdf.png. Log line at 10:42: renderer error 500.
Workaround
Remove the accent, save and download.