Until I upgraded to Matomo 3.4 the opt-in / opt-out checkbox for personal cookie tracking worked fine. Now when the box is checked or unchecked the screen turns blank before reloading the page and the following error messages fills the installed <iframe>
— Begin Error Message —
Internal Server Error
The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator at firstname.lastname@example.org to inform them of the time this error occurred, and the actions you performed just before this error.
More information about this error may be available in the server error log.
Additionally, a 500 Internal Server Error error was encountered while trying to use an ErrorDocument to handle the request.
— End Error Message —
Not only this but my Matomo email address is transformed from email@example.com to firstname.lastname@example.org. This latter address does not exist.
Note: My host server uses PHP 6.7, not 7.0.