Your lock file does not contain a compatible set of packages. Please run composer update. Problem 1 - league/flysystem-local is locked to version 3.28.0 and an update of this package was not requested. - league/flysystem-local 3.28.0 requires ext-fileinfo * -> it is missing from your system. Install or enable PHP's fileinfo extension. Problem 2 - league/mime-type-detection is locked to version 1.15.0 and an update of this package was not requested. - league/mime-type-detection 1.15.0 requires ext-fileinfo * -> it is missing from your system. Install or enable PHP's fileinfo extension. Problem 3 - league/flysystem-local 3.28.0 requires ext-fileinfo * -> it is missing from your system. Install or enable PHP's fileinfo extension. - league/flysystem 3.28.0 requires league/flysystem-local ^3.0.0 -> satisfiable by league/flysystem-local[3.28.0]. - league/flysystem is locked to version 3.28.0 and an update of this package was not requested. To enable extensions, verify that they are enabled in your .ini files: - C:\tools\php\php.ini You can also run `php --ini` in a terminal to see which files are used by PHP in CLI mode. Alternatively, you can run Composer with `--ignore-platform-req=ext-fileinfo` to temporarily ignore these required extensions.