How to make an event of a device not trigger error again

How to make an event of a device not trigger error again

Hi, i have this router that gives the following error every hour:
 
sysUpTime.0: 11 days, 23 hours, 54 minutes, 59 seconds. , snmpTrapOID.0: .1.3.6.1.6.3.1.1.5.5 , .1.3.6.1.4.1.9.1.620 S-94126-Alektum.se.sn.net Cisco IOS Software, 1841 Software (C1841-ENTSERVICESK9-M), Version 12.3(11)T10, RELEASE SOFTWARE (fc4) Technical Support: http://www.cisco.com/techsupport Copyright (c) 1986-2006 by Cisco Systems, Inc. Compiled Fri 03-Mar-06 17:40 by dchih
 
i can not be able to solve it neither do i know what this means - is there any way to acknowledge an error/alarm so it wont be given or triggered in the future? its verry annoying to have this pop up the whole time


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