SMS sent are not saved

SMS sent from Airdroid are not saved nor Airdroid nor phone but are sent.
Please tell me what to do to not lose sms sent from Airdroid.

10x.

P.S. I am using Huawei P8Lite

What's the Android version? And the SMS app you used on your phone?

Adroid 5.0
SMS app preinstalled by Android.

Adroid 5.0
SMS app preinstalled by Android.

Thanks for the continuous feedback. We've collected this issue and will look into it.