SQL import error Piwik database > Xampp

Hello,
at the end of importing a Piwik-2.14.3 sql database from webserver to localhost with Xampp/Win/ (PHP-5.5.28, MySql-5.6.26) it reports
#1231 Variable ‘time_zone’ can’t be set to the value of 'NULL’
Pls refer to attached screenshot.

How to fix this issue?

Thx and regards!