Fatal error: Uncaught Error: Using $this when not in object context in /home/mahmoud2025/public_html/vendor/consoletvs/charts/src/Templates/minimalist/line.multi.php:5 Stack trace: #0 {main} thrown in /home/mahmoud2025/public_html/vendor/consoletvs/charts/src/Templates/minimalist/line.multi.php on line 5