impossible to send SMS

[sergeB]

Hi everybody.
I just use a new phone (K530i), and now impossible to send a SMS. I always have the message : CMS ERROR: 304 invalid PDU Mode parameter.
What can do I? With my old phone I never had problem.
Thanks in advance for people have an idea.
SergeB

[FJ]

A seldom errormessage.
Please post the logfile directly after you got the errormessage. And retsart your phone before you try it again