When I try click on ENABLE button

[sanskritkm]

An exception occurred while executing 'INSERT INTO "oc_dashboard_settings"("id","key","value") VALUES(?,?,?)' with params [1, "show_activity", 1]: SQLSTATE[23505]: Unique violation: 7 ERROR: duplicate key value violates unique constraint "oc_dashboard_settings_pkey" DETAIL: Key (id)=(1) already exists.