Fatal error: Uncaught Error: Call to undefined function Maestroerror\exec() in /home/contentsbuddylit/public_html/developers.contentsbuddylite.com/vendor/maestroerror/php-heic-to-jpg/src/HeicToJpg.php:129 Stack trace: #0 /home/contentsbuddylit/public_html/developers.contentsbuddylite.com/vendor/maestroerror/php-heic-to-jpg/src/HeicToJpg.php(54): Maestroerror\HeicToJpg->processImage('image1.heic') #1 /home/contentsbuddylit/public_html/developers.contentsbuddylite.com/vendor/maestroerror/php-heic-to-jpg/src/HeicToJpg.php(213): Maestroerror\HeicToJpg->convertImage('image1.heic') #2 /home/contentsbuddylit/public_html/developers.contentsbuddylite.com/vendor/maestroerror/php-heic-to-jpg/test-binary.php(5): Maestroerror\HeicToJpg::convert('image1.heic') #3 {main} thrown in /home/contentsbuddylit/public_html/developers.contentsbuddylite.com/vendor/maestroerror/php-heic-to-jpg/src/HeicToJpg.php on line 129