hello,<br>when I execute my code an error is affiched<br><br><span style="color: rgb(255, 0, 0);">[java] Exception in thread "main" java.lang.NoClassDefFoundError: org/antlr/stringtemplate/StringTemplateGroup</span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; [java] &nbsp;&nbsp;&nbsp; at org.drools.semantics.java.RuleBuilder.&lt;clinit&gt;(Unknown Source)</span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; [java] &nbsp;&nbsp;&nbsp; at org.drools.compiler.PackageBuilder.addRule(Unknown Source)</span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; [java] &nbsp;&nbsp;&nbsp; at org.drools.compiler.PackageBuilder.addPackage(Unknown Source)</span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; [java]
 &nbsp;&nbsp;&nbsp; at org.drools.compiler.PackageBuilder.addPackageFromDrl(Unknown Source)</span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; [java] &nbsp;&nbsp;&nbsp; at org.drools.jsr94.rules.admin.LocalRuleExecutionSetProviderImpl.createRuleExecutionSet(Unknown Source)</span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; [java] &nbsp;&nbsp;&nbsp; at org.drools.jsr94.rules.admin.LocalRuleExecutionSetProviderImpl.createRuleExecutionSet(Unknown Source)</span><br><br>thank you for your help<br>Best regards<br>Ismail<br><p>&#32;


      

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