unable to start mysql due too php_intl.dll (1 reply)

im unable to start mysql on my wamp. i checked the mysql log it was empty. the php log below


[01-May-2019 06:23:50 UTC] PHP Warning: PHP Startup: Unable to load dynamic library 'c:/wamp64/bin/php/php5.6.40/ext/php_intl.dll' - The specified module could not be found.
in Unknown on line 0
[01-May-2019 06:24:01 UTC] Apache variable '${INSTALL_DIR}' is not defined.
May be Apache service 'wampapache64' is not started.
Check it by right-click Wampmanager tray icon -> Tools -> Check state of services
Check also right-click Wampmanager tray icon -> Tools -> Check httpd.conf syntax.
[01-May-2019 06:24:01 UTC] Apache variable '${INSTALL_DIR}' is not defined.
May be Apache service 'wampapache64' is not started.
Check it by right-click Wampmanager tray icon -> Tools -> Check state of services
Check also right-click Wampmanager tray icon -> Tools -> Check httpd.conf syntax.
[01-May-2019 06:24:29 UTC] PHP Warning: PHP Startup: Unable to load dynamic library 'c:/wamp64/bin/php/php5.6.40/ext/php_intl.dll' - The specified module could not be found.
in Unknown on line 0