Cloud Backup result: Transport rejected package because it wasn't able to process it at the time

The project strictly follows the operation of the development documents, and the backup file size does not exceed 100M. When executing adb shell bmgr backupnow xxx.xxx.xxx in cmd, the following content is returned

 

 

----------Log---------------

2023-10-19 02:38:56.587 MQDH executing "adb shell bmgr backupnow com.xxx.xxx"...

Running incremental backup for 1 requested packages.

Package PM@ with result: Success

Package com.xxx.xxx with result: Transport rejected package because it wasn't able to process it at the time

Backup finished with result: Success