9 files declare their use of InvalidResourceException in Plug 7

FileLoader.php in lib/Symfony/translation/Loader/FileLoader.php

IcuDatFileLoader.php in lib/Symfony/translation/Loader/IcuDatFileLoader.php

IcuResFileLoader.php in lib/Symfony/translation/Loader/IcuResFileLoader.php

JsonFileLoader.php in lib/Symfony/translation/Loader/JsonFileLoader.php

LoaderInterface.php in lib/Symfony/translation/Loader/LoaderInterface.php

MoFileLoader.php in lib/Symfony/translation/Loader/MoFileLoader.php

QtFileLoader.php in lib/Symfony/translation/Loader/QtFileLoader.php

XliffFileLoader.php in lib/Symfony/translation/Loader/XliffFileLoader.php

YamlFileLoader.php in lib/Symfony/translation/Loader/YamlFileLoader.php