PHP 7.0 compatibility

Siteground’s SG Optimiser (PHP Config Checker) is outputting the following:

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FILE: /home/*****/public_html/*****/*****/wp-content/plugins/wd-twitter-feed/includes/Resource/Resource_usertimeline.php
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FOUND 1 ERROR AFFECTING 1 LINE
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 11 | ERROR | 'resource' is a reserved keyword as of PHP version 7.0 and cannot be used to name a class, interface or trait or as part of a namespace (T_NAMESPACE)
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FILE: /home/*****/public_html/*****/wp-content/plugins/wd-twitter-feed/includes/Resource/TwitterResource.php
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FOUND 1 ERROR AFFECTING 1 LINE
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 11 | ERROR | 'resource' is a reserved keyword as of PHP version 7.0 and cannot be used to name a class, interface or trait or as part of a namespace (T_NAMESPACE)
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FILE: /home/*****/public_html/*****/wp-content/plugins/wd-twitter-feed/includes/Resource/Resource_status.php
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FOUND 1 ERROR AFFECTING 1 LINE
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 11 | ERROR | 'resource' is a reserved keyword as of PHP version 7.0 and cannot be used to name a class, interface or trait or as part of a namespace (T_NAMESPACE)
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Running Twitter Feed Version 2.1.11 on WP 4.7.3