App cannot send MMS

Expected behavior

The app should be able to send an MMS

Actual behavior

The messaging app cannot send an MMS (Multimedia message)

How to reproduce

• Download the app from Fdroid

• Send an MMS to anyone on your contact list

• it will give some error message after some seconds or a minute

• Browser: Qksms version 3.0.9
• Operating system: Android 7.0

Recording Of The Bug