Fatal error: Uncaught Error: Interface 'Kachkaev\PHPR\Process\RProcessInterface' not found in /home/phprplacein/public_html/Kachkaev/PHPR/Process/AbstractRProcess.php:7 Stack trace: #0 {main} thrown in /home/phprplacein/public_html/Kachkaev/PHPR/Process/AbstractRProcess.php on line 7