Description: An error occurred during the parsing of a resource required to service this request. Please review the following specific parse error details and modify your source file appropriately.
Parser Error Message: The ID 'fieldReisReg2020' is already used by another control.
Source Error:
Line 910: FieldName="ReisReg">
Line 911: </dx2:PivotGridField>
Line 912: <dx2:PivotGridField ID="fieldReisReg2020" AreaIndex="21"
Line 913: FieldName="ReisReg2012">
Line 914: </dx2:PivotGridField>