Unable to access wordpress dashboard after updating plugin

Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; currency_converter has a deprecated constructor in /home/shippingday/public_html/wp-content/plugins/currency-converter/currency-This is the message I got:

 

converter.php on line 40

Warning: require_once(/home/shippingday/public_html/wp-content/plugins/jetpack/class.jetpack-data.php): failed to open stream: No such file or directory in /home/shippingday/public_html/wp-content/plugins/jetpack/jetpack.php on line 49

Fatal error: require_once(): Failed opening required '/home/shippingday/public_html/wp-content/plugins/jetpack/class.jetpack-data.php' (include_path='.:/opt/alt/php70/usr/share/pear') in /home/shippingday/public_html/wp-content/plugins/jetpack/jetpack.php on line 49

Help!