Configuration and log in error

I have this error this morning:
*** ERROR *** The PHP configuration loaded file is: - should be: c:/wamp64/bin/apache/apache2.4.18/bin/php.ini or c:/wamp64/bin/php/php5.6.19/phpforapache.ini

This error message indicates that your PHP config file is missing or not readable. Please check that in any of the two paths mentioned such a file is available and readable. Did you modify the wamp directory recently?