java.lang.ClassNotFoundException with sendLogNotification

Setup, Configuration and Use Scripts & Rules
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2

A similar rule, but statically created at /etc/openhab2/rules/test.rule is working. The working rule is:

    import org.openhab.io.openhabcloud.NotificationAction.*

    rule "TestRule"
    when
    	System started
    then
    	sendLogNotification('TEST RULE: Hola mundo')
    end