Do not sum purchase line without amount to calculate purchase amounts
04e9bc5b56f3 removed the test against empty amount with the line test.
Closes #13784 (closed)
This instance will be upgraded to Heptapod 18.5.1 on 2025-11-13 between 17:00 and 18:00 UTC+2
04e9bc5b56f3 removed the test against empty amount with the line test.
Closes #13784 (closed)