Fatal error: Uncaught Error: Interface "CodedHeartInside\DataMining\Apriori\Data\OutputInterface" not found in E:\www\gsp_smart\webman\vendor\codedheartinside\apriori\Data\Output.php:20 Stack trace: #0 {main} thrown in E:\www\gsp_smart\webman\vendor\codedheartinside\apriori\Data\Output.php on line 20