Unable to create a user

Core: Exception handler (WEB): Uncaught TYPO3 Exception: Class 'PasswordHashFactory' not found | Error thrown in file /var/www/html/typo3_src-9.5.26/typo3/sysext/core/Classes/Utility/GeneralUtility.php in line 3691. Requested URL: https://ng6.toulouse.inra.fr/index.php?eID=tx_nG6&type=add_user&username=testuser&first_name=firstname&last_name=lastname&password=test123&email=romther@hotmail.fr&creator=4&title=t&organism=t&location=t&project_id=7&right=0&pid=2&add_user_email=Dear%%20%%23%%23%%23USER_FIRST_NAME%%23%%23%%23%%20%%23%%23%%23USER_LAST_NAME%%23%%23%%23%%2C%%0AYou%%20have%%20now%%20acccess%%20to%%20the%%20%%23%%23%%23PROJECT_NAME%%23%%23%%23%%20project%%20%%28%%23%%23%%23PROJECT_DESCRIPTION%%23%%23%%23%%29%%20accessible%%20once%%20logged%%20in%%20by%%20the%%20following%%20url%%3A%%20%%23%%23%%23PROJECT_LINK%%23%%23%%23%%0AThe%%20NG6%%20team%%0APS%%3A%%20this%%20is%%20an%%20automatic%%20e-mail%%20message%%20generated%%20by%%20the%%20NG6%%20system.%%20Please%%20DO%%20NOT%%20RESPOND%%20to%%20this%%20e-mail%%20because%%20the%%20mail%%20box%%20is%%20unattended.&add_user_title=[NG6]%%20You%%20have%%20been%%20added%%20to%%20a%%20project&create_user_email=Dear%%20%%23%%23%%23USER_FIRST_NAME%%23%%23%%23%%20%%23%%23%%23USER_LAST_NAME%%23%%23%%23%%2C%%0APlease%%20find%%20bellow%%20your%%20login/password%%20required%%20to%%20log%%20into%%20the%%20NG6%%20system%%20%%28%%23%%23%%23PROJECT_LINK%%23%%23%%23%%29%%3A%%20%%0A%%20%%20%%20-%%20login%%3A%%20%%23%%23%%23USER_LOGIN%%23%%23%%23%%0A%%20%%20%%20-%%20password%%3A%%20%%23%%23%%23USER_PASSWORD%%23%%23%%23%%0AThe%%20NG6%%20team%%0APS%%3A%%20this%%20is%%20an%%20automatic%%20e-mail%%20message%%20generated%%20by%%20the%%20NG6%%20system.%%20Please%%20DO%%20NOT%%20RESPOND%%20to%%20this%%20e-mail%%20because%%20the%%20mail%%20box%%20is%%20unattended.&create_user_title=[NG6]%%20Account%%20creation&from_email=ng6-support@groupes.renater.fr&envelope_sender_address=gerald.salin@inrae.fr&project_url=https%%3A//ng6.toulouse.inra.fr/projects%%3Ftx_nG6_pi1%%255Bproject_id%%255D%%3D7%%26cHash%%3D015178682be82c9b9661c17a327f7e39%%26active_tab%%3Dusers&send_an_email=true