You read on line but did you read the instruction manual for the 9300? I bet no.
Your changing options that can cause this error message.
Assuming you have a carrier plan that included texting data.
The top link will provide info on the error and the lower link is for the 9300. KB13324-Network out of order error message received when sending an SMS message http://btsc.webapps.blackberry.com/b...ListHelperImpl