php fatal error: class updatehelper\composerplugin contains 2 abstract methods and must therefore be declared abstract or implement the remaining methods (composer\plugin\plugininterface::deactivate

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PHP Fatal error: Class UpdateHelper\ComposerPlugin contains 2 abstract methods and must therefore be declared abstract or implement the remaining methods (Composer\Plugin\PluginInterface::deactivate

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methods
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By Wooden Hammer Beth Wiza at Mar 01 2021

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