You are getting a lot of error messages related to the following errors:
Priority: 1
Tick Count: 255823343
Process: aexsvc.exe (400)
Thread ID: 1268
Module: AltirisNativeHelper.dll
Source: Altiris.NS.ResourceManagement.DataClass.ConfirmSchema
Description: Class Name: AeX AC TCPIP Class Guid: AeX AC TCPIP Incompatible columns in DataClassAttribute.Priority: 1
Tick Count: 255823343
Process: aexsvc.exe (400)
Thread ID: 1268
Module: AltirisNativeHelper.dll
Source: Altiris.NS.ResourceManagement.DataClass.ConfirmSchema
Description: DataClass ( Unhandled exception. Type=Altiris.NS.Exceptions.InvalidDataClassSchemaException Msg=Incompatible columns in DataClassAttribute. Error:Class Name: AeX AC TCPIP Class Guid: AeX AC TCPIP Src=Altiris.NS
StackTrace=
at Altiris.NS.ResourceManagement.DataClass.ConfirmSchema() )Priority: 1
Tick Count: 255823343
Process: aexsvc.exe (400)
Thread ID: 1268
Module: AltirisNativeHelper.dll
Source: Altiris.Resource.ResourceDataClass.OnSave
Description: Failed to save the Resource Data Class 'AeX AC TCPIP'. [Incompatible columns in DataClassAttribute. Error:Class Name: AeX AC TCPIP Class Guid: AeX AC TCPIP ]
Priority: 1
Tick Count: 255823359
Process: aexsvc.exe (400)
Thread ID: 1268
Module: AltirisNativeHelper.dll
Source: Altiris.NS.StandardItems.Messaging.InventoryCaptureItem.OnMessage_Impl
Description: Failed to process NSE : ( Unhandled exception. Type=Altiris.NS.Exceptions.AeXException Msg=Failed to load inventory. [Failed to save the Resource Data Class 'AeX AC TCPIP'. [Incompatible columns in DataClassAttribute. Error:Class Name: AeX AC TCPIP Class Guid: AeX AC TCPIP ]] Src=Altiris.NS
ITMS 6.x, 7.x, 8.x
The AeX AC TCPIP was missing from the database. It is unknown how it got deleted or missing.