Go to Tools -> Export in the Portal Admin UI
Click on Export in the top left hand corner
Click on Select All, and after a few seconds the error pops up
Release : 14.4 CP1 CHF 2 vApp with these hotfixes:
HF-IP-14.4.1-20220922110435_DE546490_0001
HF-IP-14.4.1-20221012140509_DE548114_0001
HF-IP-14.4.1-20221216093601_DE552947_0001
This is due to option SELF_USER_ACTIONS.
This option was removed in 14.4 CP2.
If you are unable to update, two hotfixes were provided that remove SELF_USER_ACTIONS:
HF_IP-14.4.1-20230321094414-DE560645_0001.tgz.gpg
HF_IMS-14.4.1-20230321105718-DE560645_0001.tgz.gpg
Request them from Support.