The format of the ErrorSource property is interpretable based on the value of this property. Values are defined as: 0 - Unknown. ...

The format of the ErrorSource property is interpretable based on the value of this property. Values are defined as: 
0 - Unknown. The format is unknown or not meaningfully interpretable by a CIM client application. 
1 - Other. The format is defined by the value of the OtherErrorSourceFormat property.2 - CIMObjectPath. A CIM Object Path as defined in the CIM Infrastructure specification. Note: CIM 2.5 and earlier used the term object names.