Hi,
After upgrade to projeqtor 12.4.0 in projeqtor.log we can found : 

2025-12-24 15:36:56.047 ** ERROR ** [V12.4.0] [21]    Strack trace :
2025-12-24 15:36:56.047 ** ERROR ** [V12.4.0] [21]    #0 Sql->query called at [/var/www/intranet-prod/projeqtor/projeqtor/api/index.php:132]
2025-12-24 15:36:56.077 ** ERROR ** [V12.4.0] [21] Exception-[22P02] SQLSTATE[22P02]: Invalid text representation: 7 ERREUR:  syntaxe en entrée invalide pour le type numeric : «  »
LINE 1: ...rom project where (name = '' and idOrganization = '' and idP...
                                                             ^
2025-12-24 15:36:56.078 ** ERROR ** [V12.4.0] [21]    For query : select * from project where (name = '' and idOrganization = '' and idProjectType='181') and  ((project.id not in (0) or project.id is null ) and (project.id not in (0) or project.id is null or (project.idResource=21) ) and (project.id not in (0) or project.id is null or (project.idUser=21) ))
2025-12-24 15:36:56.078 ** ERROR ** [V12.4.0] [21]    Strack trace :
2025-12-24 15:36:56.078 ** ERROR ** [V12.4.0] [21]    #0 Sql->query called at [/var/www/intranet-prod/projeqtor/projeqtor/model/persistence/SqlElement.php:3167]
2025-12-24 15:36:56.078 ** ERROR ** [V12.4.0] [21]    #1 SqlElement->getSqlElementsFromCriteria called at [/var/www/intranet-prod/projeqtor/projeqtor/api/index.php:299]
2025-12-24 15:36:56.124 ** ERROR ** [V12.4.0] [21] Exception-[42883] SQLSTATE[42883]: Undefined function: 7 ERREUR:  la fonction database() n'existe pas
LINE 4:             WHERE TABLE_SCHEMA = DATABASE()
                                         ^
HINT:  Aucune fonction ne correspond au nom donné et aux types d'arguments.
Vous devez ajouter des conversions explicites de type.
2025-12-24 15:36:56.124 ** ERROR ** [V12.4.0] [21]    For query :
            SELECT COLUMN_NAME
            FROM INFORMATION_SCHEMA.COLUMNS
            WHERE TABLE_SCHEMA = DATABASE()
              AND TABLE_NAME = 'project'

2025-12-24 15:36:56.124 ** ERROR ** [V12.4.0] [21]    Strack trace :
2025-12-24 15:36:56.124 ** ERROR ** [V12.4.0] [21]    #0 Sql->query called at [/var/www/intranet-prod/projeqtor/projeqtor/api/index.php:132]
2025-12-24 15:36:56.153 ** ERROR ** [V12.4.0] [21] Exception-[22P02] SQLSTATE[22P02]: Invalid text representation: 7 ERREUR:  syntaxe en entrée invalide pour le type numeric : «  »
LINE 1: ...rom project where (name = '' and idOrganization = '' and idP...
                                                             ^
2025-12-24 15:36:56.154 ** ERROR ** [V12.4.0] [21]    For query : select * from project where (name = '' and idOrganization = '' and idProjectType='181') and  ((project.id not in (0) or project.id is null ) and (project.id not in (0) or project.id is null or (project.idResource=21) ) and (project.id not in (0) or project.id is null or (project.idUser=21) ))
2025-12-24 15:36:56.154 ** ERROR ** [V12.4.0] [21]    Strack trace :
2025-12-24 15:36:56.154 ** ERROR ** [V12.4.0] [21]    #0 Sql->query called at [/var/www/intranet-prod/projeqtor/projeqtor/model/persistence/SqlElement.php:3167]
2025-12-24 15:36:56.154 ** ERROR ** [V12.4.0] [21]    #1 SqlElement->getSqlElementsFromCriteria called at [/var/www/intranet-prod/projeqtor/projeqtor/api/index.php:299]

Actually, there is no "DATABASE()" function in postgreSQL database.