之前使用老版本IAR编译是没有问题，但是因为需要最近升级了IAR 到最新版本，
编译错误提示如下，请问是什么原因，如何更改配置
Error[e46]: Undefined external "?V1" referred in AF ( E:\project\carport\SensorDemo\CC2530DB\CollectorEB\Obj\AF.r51 )
Error[e46]: Undefined external "?V2" referred in AF ( E:\project\carport\SensorDemo\CC2530DB\CollectorEB\Obj\AF.r51 )
Error[e46]: Undefined external "?V3" referred in AF ( E:\project\carport\SensorDemo\CC2530DB\CollectorEB\Obj\AF.r51 )
Error[e46]: Undefined external "?V4" referred in AF ( E:\project\carport\SensorDemo\CC2530DB\CollectorEB\Obj\AF.r51 )
Error[e46]: Undefined external "?V5" referred in AF ( E:\project\carport\SensorDemo\CC2530DB\CollectorEB\Obj\AF.r51 )
Error[e46]: Undefined external "?V6" referred in AF ( E:\project\carport\SensorDemo\CC2530DB\CollectorEB\Obj\AF.r51 )
Error[e46]: Undefined external "?V7" referred in AF ( E:\project\carport\SensorDemo\CC2530DB\CollectorEB\Obj\AF.r51 )
Error[e46]: Undefined external "?V8" referred in AF ( E:\project\carport\SensorDemo\CC2530DB\CollectorEB\Obj\AF.r51 )
Error[e46]: Undefined external "?V9" referred in AF ( E:\project\carport\SensorDemo\CC2530DB\CollectorEB\Obj\AF.r51 )
