Wrong error message when adding negative qty on invoice #32078
Description
Bug
For an invoice we need to truncate the amount by removing decimals. We add a line with price -0.25 and qty 1, and this works.
However, if we do the opposite (0.25 / -1) we get an error message saying "Fields Unit price and Qty can't be both negative" which is incorrect.
v19.0.3
Dolibarr Version
19.0, probably all versions
Environment PHP
No response
Environment Database
No response
Steps to reproduce the behavior and expected behavior
No response
Attached files
No response