Build iOS and Install with MDM error

Hi everyone.

I have a error. My game build ios success. But when we put it on the web and install the game via MDM, the app cannot download the assetbundles.

In the console there is a log as follows

Sandbox: deny(1) file-read-metadata /private/var/mobile/Library/Caches/com.apple.nsurlsessiond/Downloads/xx.xxx.xxxx/CFNetworkDownload_ZU5M5c.tmp

1 duplicate report for Sandbox: deny(1) file-read-metadata /private/var/mobile/Library/Caches/com.apple.nsurlsessiond/Downloads/xx.xxx.xxxx/CFNetworkDownload_ZU5M5c.tmp

Sandbox: deny(1) file-write-unlink /private/var/mobile/Library/Caches/com.apple.nsurlsessiond/Downloads/xx.xxx.xxxx/CFNetworkDownload_ZU5M5c.tmp

Please help