xibel

Another update:

If I use the plugin option “Append a Ninja Form” within posts I get the error on the main page. If I add a Ninja Form as with “[ninja_form id=10]”. There is no Java error.

So for now I have a solution. I leave it up to you guys to investigate further. If I browse in Google on the Java error. I see a lot of Worpress Sites with that error so maybe it is wise to investigate this behaviour.

Next step. I am able to reproduce the error. On the front page I have articles and messages. When I attach a Ninja Form to a message the error occurs on the Article level.

Now, you tell me what is causing this?

If I remove the Ninja Form from the message the error is gone.

Now I know the error is in the database. I took the database from a broken snapshot and restored it to a fine working one. Again the website shows the Java error. Now finding the cause in the database ??

As soon as I deactivate Ninja Forms the error is gone. If I activate it, it returns.

You can see what I mean at https://www.oranjeverenigingtuil.nl. On the front page below the three main articles.

I sure do have a conflict. I restored a previous vm state and upgraded all plugin’s to simulate the moment it should brake. But it does not happen. So back to the broken vm to find out what is causing this error.

I use the Customizr theme and the latest Ninja plugin. If I disable Ninja the error is gone. I also tried to completely remove the Ninja plugin including the database tables. Reinstalled, activated Ninja and the error is back.
I removed the Customizr theme, reinstalled and the error is back. Even the I do not have a single Form created.

So this leaves me with no clue what is causing this error on the front page of https://www.oranjeverenigingtuil.nl

If I completely remove Ninja and reinstall it the error is back, when with dropping tables that are related to Ninja. Is there anything else I can check in the database or files?