Steps to reproduce

1.  Build custom widget
2.  Select "Dummy Data analytics"
3. "X axis value" select: goals.idgoal=ecommerceAbandonedCart
4. "Y axis value" select: goals.idgoal=4.nb_conversions

.. Logs, screenshots, gifs...

Expected results

1. timebox --> show detailed error message for customer easier to understand the case
2. if not, follow up ticket to investigate --> Should remove option "goals.idgoal=ecommerceAbandonedCart" out of combobox's datasource

Actual results

A general error message showed

Workaround

Development notes