Steps to Reproduce:
1) Add journal.article.force.autogenerate.id=false to portal-ext.properties
2) Login to Liferay and Add a new article.
3) Set the ID to test,ca
4) Set the title to test,ca
5) Enter some content
6) Click on Publish
7) Find the article
8) Click on "Action" -> "Delete"
The article is deleted
The article is not deleted and the message "The Web Content could not be found." is shown in the GUI