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[SOLVED] First Login Blank Screen

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829 Vu
(@masc)
Posts: 4
Active Member
Début du sujet
 
[#9982]

We did the installation
went to the projeqtor dir and we did the config, with all credentials
went to my login page, login with admin:admin
and we get a white blank screen, 

we checked the permissions  and ownership every thing fine

if we view the source of the main page:
we get these last rowasaveBrowserLocaleToSession();aboutMessage="

ProjeQtOr V12.3.2 (389)

";aboutMessage+='
PHP 8.4.13
';aboutMessage+='
'+i18n('externalLibrary')+'
';aboutMessage+='  . CK Editor : '+CKEDITOR.version+'
';aboutMessage+='  . Dojo : '+dojo.version.major+"."+dojo.version.minor+"."+dojo.version.patch+'
';aboutMessage+='  . html2canvas : 1.0.0-alpha.12'+'
';aboutMessage+='  . html2pdf :

ERROR : An error occurred on 2025-11-06 at 15:25:29

  

What are we doing wrong.
Can anybody help us?
SO Debian 12
PHP 8.4
Niginx web server
mariadb

 


 
Posté : 07/11/2025 12:35 am
(@masc)
Posts: 4
Active Member
Début du sujet
 

The blank Screen comes with an Error from the html2pdf?

aboutMessage+='  . html2pdf :

ERROR : An error occurred on 2025-11-10 at 15:45:45

<
there is already a directory in external with those files
it looks like this is not cmapatible

Can anyone help us?


 
Posté : 11/11/2025 1:16 am
(@masc)
Posts: 4
Active Member
Début du sujet
 

Solved

Version 12.3.2 does not have an updated html2pdf software

compatible with latest versions AKA PHP 8,4


 
Posté : 13/11/2025 12:33 am
Damian
(@damian-sd)
Posts: 119
Membre Admin Registered
 

Hi, thanx for your report, we create ticket #10766 for this issue.


 
Posté : 17/11/2025 12:48 pm
(@angeltek)
Posts: 17
Eminent Member
 

The error is caused by line 400 of file ./projeqtor/external/html2pdf/src/Html2Pdf.php
As a temporary fix, change the line:

public function setModeDebug(DebugInterface $debugObject = null)

to:

public function setModeDebug(?DebugInterface $debugObject = null)

by inserting the "?" before DebugInterface


 
Posté : 20/11/2025 8:51 pm
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