Fatal error: Uncaught Error: Class "SebastianBergmann\Diff\Output\AbstractChunkOutputBuilder" not found in /opt/lampp/htdocs/myhospitalnow/mhn-hospital-ms/vendorback/sebastian/diff/src/Output/UnifiedDiffOutputBuilder.php:16 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/myhospitalnow/mhn-hospital-ms/vendorback/sebastian/diff/src/Output/UnifiedDiffOutputBuilder.php on line 16