ODT to PDF error

Using my Dolibarr
,
1

Hi,

i want convert ODT (LibreOffice document) to PDF invoice.
My steps for realize:

  1. apt-get update && apt-get install -y unoconv
  2. accept install LibreOffice
  3. add param: MAIN_ODT_AS_PDF → unoconv
  4. Run generate invoice
  5. ended error:
    ODT to PDF convert fail (option MAIN_ODT_AS_PDF is unoconv, command was unoconv /www/wwwroot/dolibarr/documents/facture/IN2503-0001/IN2503-0001_T-001.odt, retval=6)

How i can fix?

Ater command:
libreoffice --version
i get:
LibreOffice 7.4.7.2 40(Build:2)

Actually version LibreOffice is 25.x

Please how i can fix this?

(manually install version 25.x is not solution, but missing .so packages and command “unoconv” not recognized)

Dolibarr versio: 20.0.4
Linux: Debian 12