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 17 steps Press Messages.
2 of 17 steps Press the new message icon.
3 of 17 steps Key in the first letters of the required contact.Matching contacts are displayed.
4 of 17 steps Press the required contact.
5 of 17 steps Press Enter message.Write the text for your picture message.
6 of 17 steps Press the attachment icon.Select one of the following options:Insert picture, go to 5a.Insert video clip, go to 5b.Insert audio file, go to 5c.
7 of 17 steps Press Image.Go to the required folder.
8 of 17 steps Press the required picture to select it.
9 of 17 steps Press Done.
10 of 17 steps Press Video.Go to the required folder.
11 of 17 steps Press the required video clip.
12 of 17 steps Press Audio.Go to the required folder.
13 of 17 steps Press the field next to the required audio file.
14 of 17 steps Press Done.
15 of 17 steps Press the send icon when you've finished your picture message.
16 of 17 steps Press the Home key to return to the home screen.