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mark vachi
mark vachi

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[FIX] Fatal error: Class UpdateHelper\ComposerPlugin_composer_tmp1

Problem

Fatal error: Class UpdateHelper\ComposerPlugin_composer_tmp1 contains 2 abstract methods and must therefore be declared abstract or implement the remaining methods (Composer\Plugin\PluginInterface::deactivate, Composer\Plugin\PluginInterface::uninstall) in phar:///bin/composer/src/Composer/Plugin/PluginManager.php(221) : eval()'d code on line 11

Solution

rm -rf vendor
rm -f composer.lock
composer install
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