$OleObj->Method($strFirstArg) gives:
Win32::OLE(0.1709) error 0x80020005: "Type mismatch"
    in METHOD/PROPERTYGET "ExportIntegrationByCells" argument 1

$OleObj->Method($strFirstArg, undef) gives:
Win32::OLE(0.1709) error 0x80020005: "Type mismatch"
    in METHOD/PROPERTYGET "ExportIntegrationByCells" argument 2

$OleObj->Method($strFirstArg, {Parameter2Name => undef}) gives:
Win32::OLE(0.1709) error 0x80020005: "Type mismatch"
    in METHOD/PROPERTYGET "ExportIntegrationByCells" argument "Parameter2Name"