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Fatal error: Uncaught Error: Call to a member function import() on null in /opt/lampp/htdocs/myhospitalnow/mhn-hospital-ms/vendorback/symfony/routing/Tests/Fixtures/validresource.php:5 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/myhospitalnow/mhn-hospital-ms/vendorback/symfony/routing/Tests/Fixtures/validresource.php on line 5