BackinBean scope is an unknown variable

JDeveloper 11.1.1.2.0
1) I have created unbounded task flow adfc-config with method="methodCall2":
<method-call id="methodCall2">
<method>#{backingBeanScope.MojeBina.zkopiruj}</method>
<outcome id="__21">
<fixed-outcome>test</fixed-outcome>
</outcome>
</method-call>
2) than I have registered managed bean in adfc-config task flow :
<managed-bean id="__16">
<managed-bean-name id="__14">MojeBina</managed-bean-name>
<managed-bean-class id="__15">Fa.view.backing.FakturyMain</managed-bean-class>
<managed-bean-scope id="__13">backingBean</managed-bean-scope>
<managed-property id="__18">
<property-name id="__17">table1</property-name>
<property-class>oracle.adf.view.rich.component.rich.data.RichTable</property-class>
<value id="__19">#{table1}</value>
</managed-property>
</managed-bean>
3) when I am trying to fill in field Method in methodCall2 by expresion builder by value #{backingBeanScope.MojeBina.zkopiruj} I get immediately red underline and blue hint: backinBean scope is an unknown variable. What I am doing wrong ?
Thanks for the advice
Petr

Nothing at all!
It's just that the backing bean scope can't be evaluated at design time. This scope is only available at runtime. JDev tries to evaluate the expression, gets an error (because the bean is not present at design time) and shows the red underline (see http://thepeninsulasedge.com/frank_nimphius/2010/03/09/gotchas-when-using-memory-scope-prefixes-in-el-to-access-managed-beans).
You can switch off this warning, but I can't remember how. I'll look into this.
Timo

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