Cannot redeclare geoip_country_code_by_name

Piwik crashed because of this:

FastCGI sent in stderr: “PHP message: PHP Fatal error: Cannot redeclare geoip_country_code_by_name() in /XXXX/piwik/vendor/geoip/geoip/src/ on line 1602” while reading response header from upstream, client: XXXXX, server…

How can I fix it please?


This is a regression in the latest beta version.
It will be fixed when the final version is published:

More information and a way to get back to a working system: