error messages

SM_TraderVoiceEnabled attribute is specially added for RXN Routers on the Dist and Core NMSs. however whenever the OnRamp devices and Switches are imported from underlying domains, they are throwing the following error:

ASL-ERROR_ACTION-While executing action at: ASL-CALL_STACK_RULE- RuleName: FIND_OR_CREATE_EVENT_OBJECT, Line: 874 ASL-CALL_STACK_RULE- RuleName: UPDATE_LOCAL_EVENT_OBJECT, Line: 796 ASL-CALL_STACK_RULE- RuleName: PROCESS_NOTIFY.

ASL-ERROR_GET-While attempting to get property 'SM_TraderVoiceEnabled' of object 'MR_Object:: br-reuters-haupp-test-pri' SVIF-EREMOTE-CI-E-EGENERIC-SM_TraderVoiceEnabled . MR-PROPERTY_NOT_FOUND-Specified property not found in class

ASL-ERROR_GETEXPLAINS-While attempting to get explained events of 'Router: RCHKGU00348: Down' SVIF-EREMOTE-MR-E-OBJECT_NOT_FOUND_EX-Cannot find object 'Router: RCHKGU00348'.

Plese help to fix these errors.

Thanks in advance.