Fatal error: Uncaught Error: Class "Tests\AbstractTestCaseWithOldNow" not found in E:\install\laragon\www\extranet_gpharma_demo\vendor\nesbot\carbon\tests\CarbonImmutable\JsonSerializationTest.php:19 Stack trace: #0 {main} thrown in E:\install\laragon\www\extranet_gpharma_demo\vendor\nesbot\carbon\tests\CarbonImmutable\JsonSerializationTest.php on line 19