I can't send and receive picture messages

There's an error at the receiving end

Send a picture message to another number.

1 of 16 steps Press the message icon.
2 of 16 steps Press New message.
3 of 16 steps Key in the first letters of the required contact.Matching contacts are displayed.
4 of 16 steps Press the required contact.
5 of 16 steps Press Tap to enter message and write the required text.
6 of 16 steps Press the attachment icon.Select one of the following options:Insert picture, go to 4a.Insert video clip, go to 4b.Insert audio file, go to 4c.
7 of 16 steps Press Pictures.Go to the required folder.
8 of 16 steps Press the required picture.
9 of 16 steps Press Videos.Go to the required folder.
10 of 16 steps Press the required video clip.
11 of 16 steps Press Audio.Go to the required folder.
12 of 16 steps Press the field next to the required audio file.
13 of 16 steps Press OK.
14 of 16 steps Press Send when you've finished your picture message.
15 of 16 steps Press the Home key to return to the home screen.