I just updated T4 Page Builder and Content T4 Page Builder through Watchful, and I am now getting an error screen with the message:
Undefined constant "JPB_PATH_MEDIA_BUILDER"
Please tell me how this can be fixed. I did fortunately do a backup on the site prior to the update (see, I'm learning) and can go back to that. My client is very unhappy because I was finally at a stage where he could begin to review the changes I made at his request.
Looking forward to hearing from you very soon.