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  Problem 1
    - koolreport/pro[5.0.1, ..., 5.0.2] require koolreport/excel 8.0.1 -> satisfiable by koolreport/excel[8.0.1].
    - koolreport/pro[4.0.0, ..., 4.1.2] require koolreport/excel 6.0.0 -> satisfiable by koolreport/excel[6.0.0].
    - koolreport/pro[4.3.0, ..., 4.3.2] require koolreport/excel 7.0.0 -> satisfiable by koolreport/excel[7.0.0].
    - koolreport/pro 4.5.0 requires koolreport/excel 7.1.0 -> satisfiable by koolreport/excel[7.1.0].
    - koolreport/pro 4.5.1 requires koolreport/excel 7.1.1 -> satisfiable by koolreport/excel[7.1.1].
    - koolreport/pro[4.7.0, ..., 4.7.1] require koolreport/excel 7.2.0 -> satisfiable by koolreport/excel[7.2.0].
    - koolreport/pro 5.0.0 requires koolreport/excel 8.0.0 -> satisfiable by koolreport/excel[8.0.0].
    - koolreport/excel 8.0.1 requires phpoffice/phpspreadsheet 1.10.* -> satisfiable by phpoffice/phpspreadsheet[1.10.0, 1.10.1].
    - koolreport/excel[6.0.0, 7.0.0, ..., 7.1.1] require phpoffice/phpspreadsheet ^1.6 -> satisfiable by phpoffice/phpspreadsheet[1.6.0, ..., 1.15.0].
    - koolreport/excel[7.2.0, 8.0.0] require phpoffice/phpspreadsheet ^1.10 -> satisfiable by phpoffice/phpspreadsheet[1.10.0, ..., 1.15.0].
    - phpoffice/phpspreadsheet[1.6.0, ..., 1.15.0] require ext-zip * -> it is missing from your system. Install or enable PHP's zip extension.
    - Root composer.json requires koolreport/pro * -> satisfiable by koolreport/pro[4.0.0, ..., 4.7.1, 5.0.0, 5.0.1, 5.0.2].

okay not have any problem I m make mistake now done :) thank you