Hi, I am using MAC pro(macOS Big Sur v11.2.3) to install my installer package. The backgroud picture cannot be shown, please let me know how to fix this issue. From the install.log I saw below messages: language 2021-03-18 09:28:21+08 Qiangs-MBP Installer[25684]: model-builder Installation Log 2021-03-18 09:28:21+08 Qiangs-MBP Installer[25684]: Package Authoring Error: background has an unsupported MIME type: image/data 2021-03-18 09:28:21+08 Qiangs-MBP Installer[25684]: Package Authoring Error: background_scaling has an unsupported MIME type: X-NSObject/NSNumber 2021-03-18 09:28:21+08 Qiangs-MBP Installer[25684]: Package Authoring Error: background_alignment has an unsupported MIME type: X-NSObject/NSNumber 2021-03-18 09:28:21+08 Qiangs-MBP Installer[25684]: Package Authoring Error: layout-direction has an unsupported MIME type: X-NSObject/NSNumber 2021-03-18 09:28:21+08 Qiangs-MBP Installer[25684]: Failed to load specified background image Below is the Distribution.xml for installer: language ?xml version="1.0" encoding="utf-8" standalone="no"? installer-script minSpecVersion="1.000000" title__PRODUCT__/title background mime-type="image/png" file="banner.png" scaling="proportional"/ welcome file="welcome.html" mime-type="text/html" / conclusion file="conclusion.html" mime-type="text/html" / license file="LICENSE.txt"/ options customize="never" allow-external-scripts="no"/ domains enable_localSystem="true" / installation-check script="installCheck();"/ script function installCheck() { if(!(system.compareVersions(system.version.ProductVersion, '10.6.0') = 0)) { my.result.title = 'Unable to install'; my.result.message = '__PRODUCT__ requires Mac OS X 10.6 or later.'; my.result.type = 'Fatal'; return false; } if(system.files.fileExistsAtPath('/Library/__PRODUCT__/__VERSION__/')) { my.result.title = 'Previous Installation Detected'; my.result.message = 'A previous installation of __PRODUCT__ exists at /Library/__PRODUCT__/__VERSION__/. This installer will remove the previous installation prior to installing. Please back up any data before proceeding.'; my.result.type = 'Warning'; return false; } return true; } /script choices-outline line choice="__PRODUCT__"/ /choices-outline choice id="__PRODUCT__" title="__PRODUCT__" pkg-ref id="__PRODUCT__.pkg"/ /choice pkg-ref id="__PRODUCT__.pkg" auth="Root"__PRODUCT__.pkg/pkg-ref /installer-script