Server Error in '/' Application.

Parser Error

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 913:                            FieldName="ReisReg">
Line 914:                        </dx2:PivotGridField>
Line 915:                        <dx2:PivotGridField ID="fieldReisReg2020" AreaIndex="21" 
Line 916:                            FieldName="ReisReg2012">
Line 917:                        </dx2:PivotGridField>

Source File: /reiseliv/vinter/comp/comp_ok_aar.aspx    Line: 915


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4494.0