"Invalid Mandatory Information" when trying to send a text message

Article ID: KB20245

Type: Support Content

Last Modified: 12-14-2011


Product(s) Affected:

  • BlackBerry 7 OS and earlier
  • BlackBerry® smartphones
When trying to send an SMS (text) message from a device, "Invalid mandatory Information" is displayed.
There is an incorrect Service Center number configured on the device.
From the home screen on the BlackBerry device:
1) Options
2) SMS Text
3) Verify the 'Service Center' number is correct, and has a leading '+' before the number.


By downloading, accessing or otherwise using the Knowledge Base documents you agree:

   (a) that the terms of use for the documents found at www.blackberry.com/legal/knowledgebase apply to your use or reference to these documents; and

   (b) not to copy, distribute, disclose or reproduce, in full or in part any of the documents without the express written consent of RIM.

Visit the BlackBerry Technical Solution Center at www.blackberry.com/btsc.