FAQ #12194, published on 2016-02-18, updated on 2016-02-19
A weird error message in Onion.js occurs randomly when using an HTML control starting on february 16th, 2016
A change in the Google API is the cause for this error. A WINDEV  update has been made available to fix the problem.

In order to get the update, go to the Resource page and ask for an upgrade for incident 96630  or use this download link :

Ask for the upgrade

ps - another to address the problem is to change the default setting of the HTML control as described in this FAQ

See also : HTML, control, onion