( ! ) Fatal error: Uncaught Error: Interface "OpenTelemetry\SDK\Metrics\StalenessHandlerFactoryInterface" not found in C:\wamp64\www\PrintManager - Copie 27\vendor\open-telemetry\sdk\Metrics\StalenessHandler\DelayedStalenessHandlerFactory.php on line 14
( ! ) Error: Interface "OpenTelemetry\SDK\Metrics\StalenessHandlerFactoryInterface" not found in C:\wamp64\www\PrintManager - Copie 27\vendor\open-telemetry\sdk\Metrics\StalenessHandler\DelayedStalenessHandlerFactory.php on line 14
Call Stack
#	Time	Memory	Function	Location
1	0.0127	545744	{main}( )	...\DelayedStalenessHandlerFactory.php:0