Cannot selected Vendor when creating Vendor Invoice from projects

In the project, if you try to create a vendor invoice, you cannot select the vendor name. Instead, the invoice displays the customer name, and this cannot be changed.
Ver 20.0.3 on Linux.



I am sure this is not corrected, the Third Party field should be selected to input the Vendor to be invoiced.

Can you reveal more about where you are getting this screenshot?

When selecting a project that is already open, there are Buttons at the bottom that you can select.


When you create invoices from the project, the project number is automatically allocated to the invoice, making it part of the project. You can then view all associated costs by navigating to the Project Overview.

However, the issue arises when creating a vendor invoice. Currently, you must create the vendor invoice in the Billing section and then manually search for the project to attach the project number, linking the invoice to the correct project. With up to 40 projects running simultaneously, vendor invoices often get linked to the wrong project, causing errors and inefficiencies. As I mentioned, there is no option to select the Vendor when creating an invoice. Instead, the system automatically populates the Customer Name that was allocated to the project, and this cannot be changed.

I have just found out that it is on Ver 20.0.4. The older versions 19.x en 20.0.3 are working. When selecting the vendor invoice the block is open to select the Vendor


It is only on the Linux site that runs 20.0.4.

As you can see, it use the customer name and you cannot selected the Vendor name

I test it on a new installation of Dolibarr 20.0.4 and the same problem. It looks like the 20.0.4 version has this problem

I have noted that the Dolibarr 19.x upgrades don’t have this problem. It is only when you install a new site. It has the following versions:
OS: Linux fiajuwele 6.8.0-54-generic #56-Ubuntu SMP PREEMPT_DYNAMIC Sat Feb 8 00:37:57 UTC 2025 x86_64
DB : MySQL or MariaDB 10.11.8-MariaDB-0ubuntu0.24.04.1
PHP : 8.2.27 WEB Server : Apache/2.4.58 (Ubuntu)
New site on Dolibarr 20.0.3 and 20.0.4

you can assign a project to a thirdparty:

  1. have you done that
  2. is that thirdparty also registered as a vendor?

other than that I think you need to submit a bug report here and I would recommend to include pictures, descriptions, methods, progress, …