The system message container just displays the message Error without any hint to the field concerned
The field label will not be coloured red
If you select an article now the red colouring is not removed
After applaying the patch:
The system message container now displays the additional message Invalid field: Select Article
The field label will be coloured red
After selecting an article the red colouring is removed now
System information
Latest Joomla! staging
If this amendment is agreed I would provide similar changes for the menu types Single contact and Single newsfeed. See also #6654 and #6761 dealing with the same problem.
I have created pull requests #6888 and #6889 which apply the same changes to the client side validation of the menu item types Single Contact and Single News Feed.
@test success
The rendered msg:
This is B/C and I think it should be also applied to contact and newsfeed! Thanks @Erftralle