Fatal error: Uncaught Error: Using $this when not in object context in C:\xampp\htdocs\01-06-2025\bateriasec\var\cache\prod\ContainerP5kqxRV\getGruposRepositoryService.php:16 Stack trace: #0 {main} thrown in C:\xampp\htdocs\01-06-2025\bateriasec\var\cache\prod\ContainerP5kqxRV\getGruposRepositoryService.php on line 16