Fatal error: Uncaught Error: Class 'Grpc\ClientStreamingCall' not found in /home/app/htdocs/ninja/vendor/google/gax/src/ApiCore/Testing/MockClientStreamingCall.php:47
Stack trace:
#0 {main}
thrown in /home/app/htdocs/ninja/vendor/google/gax/src/ApiCore/Testing/MockClientStreamingCall.php on line 47