This error occurs winter'15 release.when you integrate WSDL over .net application
How you solve this one Please find the below steps.
Step 1: Open the wsdl file.
Step:2 Find ListViewRecord
- <complexType name="ListViewRecord">
- <sequence>
- <element name="columns" type="tns:ListViewRecordColumn" maxOccurs="unbounded"/>
- </sequence>
- </complexType>
Step 3: Add "<xsd:attribute name="tmp" type="xsd:string" />".
Over this section
- <complexType name="ListViewRecord">
- <sequence>
- <element name="columns" type="tns:ListViewRecordColumn" maxOccurs="unbounded"/>
- </sequence>
- <xsd:attribute name="tmp" type="xsd:string" />
- </complexType>
Step 4: Update the webservice.
Now build the application its working like champ.
Enjoy.
Thanks