Problem 1
- yajra/laravel-datatables-buttons[v4.10.0, ..., v4.13.3] require maatwebsite/excel ^3.0 -> satisfiable by maatwebsite/excel[3.0.0-alpha, ..., 3.1.x-dev].
- maatwebsite/excel[3.1.28, ..., 3.1.30] require phpoffice/phpspreadsheet 1.16.* -> satisfiable by phpoffice/phpspreadsheet[1.16.0].
- maatwebsite/excel[3.1.31, ..., 3.1.x-dev] require phpoffice/phpspreadsheet ^1.18 -> satisfiable by phpoffice/phpspreadsheet[1.18.0, ..., 1.22.0].
- maatwebsite/excel 3.1.27 requires phpoffice/phpspreadsheet ^1.16 -> satisfiable by phpoffice/phpspreadsheet[1.16.0, ..., 1.22.0].
- maatwebsite/excel 3.1.26 requires phpoffice/phpspreadsheet ^1.15 -> satisfiable by phpoffice/phpspreadsheet[1.15.0, ..., 1.22.0].
- maatwebsite/excel[3.1.20, ..., 3.1.25] require phpoffice/phpspreadsheet ^1.14 -> satisfiable by phpoffice/phpspreadsheet[1.14.0, ..., 1.22.0].
- maatwebsite/excel[3.1.18, ..., 3.1.19] require phpoffice/phpspreadsheet ^1.10 -> satisfiable by phpoffice/phpspreadsheet[1.10.0, ..., 1.22.0].
- maatwebsite/excel[3.1.7, ..., 3.1.17] require phpoffice/phpspreadsheet ^1.6 -> satisfiable by phpoffice/phpspreadsheet[1.6.0, ..., 1.22.0].
- maatwebsite/excel[3.1.0, ..., 3.1.6] require phpoffice/phpspreadsheet ^1.4 -> satisfiable by phpoffice/phpspreadsheet[1.4.0, ..., 1.22.0].
- maatwebsite/excel[3.0.1, ..., 3.0.x-dev] require phpoffice/phpspreadsheet ^1.2 -> satisfiable by phpoffice/phpspreadsheet[1.2.0, ..., 1.22.0].
- maatwebsite/excel[3.0.0-alpha, ..., 3.0.0] require phpoffice/phpspreadsheet ^1.1 -> satisfiable by phpoffice/phpspreadsheet[1.1.0, ..., 1.22.0].
- phpoffice/phpspreadsheet[1.1.0, ..., 1.22.0] require ext-gd * -> it is missing from your system. Install or enable PHP's gd extension.
- Root composer.json requires yajra/laravel-datatables-buttons ^4.10 -> satisfiable by yajra/laravel-datatables-buttons[v4.10.0, ..., v4.13.3].
Hi Long Nguyá»
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Could you please try to remove the vendor folder and composer-lock.json file? Then please retry with the composer install.
composer install --ignore-platform-reqs --optimize-autoloader
Thank you for this solution.