Unable to build project inserting and updating a fact of same rule running with an executable model

Customer has rule which look like as:
 
~~~
rule "Testrule"
dialect "mvel"
when
then
com.Employee e = new Employee();
   e.setId("1");
insert( e );
   e.setName("abc");
update( e );
end
~~~
 
If we try to build project it fails with below exception:
~~~
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.kie:kie-maven-plugin:7.44.0.Final-redhat-00003:generateModel (default-generateModel) on project RuleIssue_02864136: Execution default-generateModel of goal org.kie:kie-maven-plugin:7.44.0.Final-redhat-00003:generateModel failed.: RuntimeException -> [Help 1]
[ERROR]
~~~