For running J!5.1 you must https://fabrikar.com/forums/index.php?wiki/update-from-github/ or include the new file manually https://fabrikar.com/forums/index.php?threads/joomla-5-1-and-fabrik-cannot-find-files-error.54473/post-285151 See also Announcements
See Announcement
We have resolved the issue with the J! updater and this will be fixed in the next release.
Which of your elements is creating which error message?
Can you create multiple articles with a single element in each?
Are all your element published?Which of your elements is creating which error message?
Sorry, forgot to mention that in post no 16 i had the information of elements creating error:Are all your element published?
I have tracked down error messages to two elements. One is multiselect databasejoin element rendered as multiselect dropdown (element no.1083). This throws the following error:
Notice: Undefined offset: 0 in /home/flexcom1/public_html/plugins/fabrik_element/databasejoin/databasejoin.php on line 1326
...and secord culprit is calc element which throws the rest of the errors. Element no is 823 and the contents is: