Rule + Lambda Fehler

[FlyingEaglE]

hallo,

weiß hier jemand was da falsch dran ist? Openhab 1.8.3

// 2017-02-09 22:12:27.872 [ERROR] [o.o.c.s.ScriptExecutionThread ] -
// Error during the execution of rule 'rule_ardu02_out_20_13_P_06_07_receive_update_UP':
// The name '<XFeatureCallImplCustom>.state' cannot be resolved to an item or type.

import org.openhab.core.library.types.*
import org.openhab.core.types.*

val org.eclipse.xtext.xbase.lib.Functions$Function1 rollo_lambda = [
    org.eclipse.smarthome.core.library.items.RollershutterItem rsi |

        if (rsi.state == UP)            //  UP
        {

            postUpdate(ardu02_inp_20_11_06_stat, "XX UP XX")

        }
        else if (rsi.state == DOWN)        //  DOWN
        {

            postUpdate(ardu02_inp_20_11_06_stat, "XX DOWN XX")

        }
        else                            // STOP
        {

            postUpdate(ardu02_inp_20_11_06_stat, "XX STOP XX")

        } 
]



rule "rule_ardu02_out_20_13_P_06_07_receive_update_UP"
when
    Item ardu02_out_20_13_P_06_07 received command
then
    rollo_lambda.apply(ardu02_out_20_13_P_06_07)
end

danke