what did you rename to?? I have the same problem:
Warning: require_once(/home/MySite/public_html/wp-content/plugins/code-snippets/php/import-export.php): failed to open stream: No such file or directory in /home/aMySite/public_html/wp-content/plugins/code-snippets/php/class-code-snippets.php on line 60
Fatal error: require_once(): Failed opening required ‘/home/MySite/public_html/wp-content/plugins/code-snippets/php/import-export.php’ (include_path=’.:/usr/local/php70/pear’) in /home/MySite/public_html/wp-content/plugins/code-snippets/php/class-code-snippets.php on line 60
