Most PB functions received "Failed" error

when you launch the task, you have no message ? strange
can you have a look in your SQL DB and check if you have the table "pagebuilderck_elements"

Only 2 - pagebuilderck_layouts and pagebuilderck_pages

have you gone to this url ?
administrator/index.php?option=com_pagebuilderck&task=fixDb

you shall have a message, if you don't have it then the system think that the table already exits
go in the pagebuilder files
administrator/sql/updates/2.2.0.sql

copy/paste this code into your phpmyadmin to create the table, just replace '#__' with your table prefix

There we go! Thanks Ced that did it. The first line in the file tripped me up though. It reads:

CREATE TABLE IF NOT EXISTS `#__pagebuilderck_elements` (

So the first time trying it failed as there's an extra _ in it. Once I took that out it worked. So perhaps that was my issue all along.

ok, for info I have also fixed this issue in the 2.2.1 that I have updated on my website