I've sent you a PM with the details.

Cheers,
Darko

Hi,

when I try to send a message by clicking the Submit button, I get the following error:

Index was outside the bounds of the array.
Source: "ALT.SMS.SmppClient"
Stack Trace: at wHcW8EeS8UMgjM9EFR.aEOKR878JGLThiP76W.h3tU8bWl5(Int32& )
at ALT.SMS.Header..ctor(aEOKR878JGLThiP76W buf, Int32 ...