c5738d67__Codes___Telecomuserguides_com__Explanation
[0] 268 [Action] All dialing filter definitions have been defaulted as a result of this error. Reprogram all dialing filters. [Explanation] 
A system audit has detected memory corruption in the storage of the dialing filters for external dialing restrictions and exceptions.
Nortel Systems User Guides, Nortel Error Codes - Telecomuserguides.com
Explanation