ERROR DASHBOARD WIDGET INDEX MSSQLSERVER

(mssqlnative): SELECT top 2 SUM(“Battute”), MONTH(“DataMov”) FROM dbo.BatInc GROUP BY 2 ORDER BY MONTH(“DataMov”) DESC
164: SQLState: 42000 Error Code: 164 Message: [Microsoft][ODBC Driver 13 for SQL Server][SQL Server]Each GROUP BY expression must contain at least one column that is not an outer reference.

ADOConnection._Execute(SELECT top 2 SUM(“Battute”), MONTH(“DataMov”) FROM dbo.BatInc GROUP BY 2 ORDER BY MONTH(“DataMov”) DESC, false) % line 1095, file: adodb.inc.php
ADOConnection.Execute(SELECT top 2 SUM(“Battute”), MONTH(“DataMov”) FROM dbo.BatInc GROUP BY 2 ORDER BY MONTH(“DataMov”) DESC, false) % line 1401, file: adodb.inc.php
ADOConnection.SelectLimit(SELECT top 2 SUM(“Battute”), MONTH(“DataMov”) FROM dbo.BatInc GROUP BY 2 ORDER BY MONTH(“DataMov”) DESC, 2) % line 1386, file: index.php
prova_dashboard_control.getIndexContentData_widget 2() % line 1330, file: index.php
prova_dashboard_control.getIndexContent_widget2() % line 979, file: index.php

Errore durante l’accesso alla banca dati: (SQLState: 42000 Error Code: 164 Message: [Microsoft][ODBC Driver 13 for SQL Server][SQL Server]Each GROUP BY expression must contain at least one column that is not an outer reference. SQLState: 42000 Error Code: 164 Message: [Microsoft][ODBC Driver 13 for SQL Server][SQL Server]Each GROUP BY expression must contain at least one column that is not an outer reference. )