Workflow notification activity did not send an emailIssue Workflow notification activity ran and created "workflow.notification" event without any error, but no email was generated or sent. ReleaseAnyCauseThe script action for Workflow notification errored out. You will see the following similar warnings on the logs WARNING *** WARNING *** Undefined template reference: current.variables.<variable_name> WARNING *** WARNING *** Evaluator: java.lang.NumberFormatException: For input string: "${current.variables.<variable_name>}" Caused by error in sysevent_script_action.0b4812080a0a0b270f6dba560f256a9b.script at line 38 java.lang.NumberFormatException.forInputString(NumberFormatException.java:65) java.lang.Integer.parseInt(Integer.java:569) java.lang.Integer.parseInt(Integer.java:615) com.glide.substitution.FieldSubstitute.replace(FieldSubstitute.java:64) com.glide.notification.substitution.SubstitutionManager.substituteToken(SubstitutionManager.java:375) com.glide.notification.substitution.SubstitutionManager.substituteVar(SubstitutionManager.java:213) com.glide.notification.substitution.SubstitutionManager.substitute(SubstitutionManager.java:156) com.glide.notification.substitution.SubstitutionManager.substitute(SubstitutionManager.java:129) com.glide.notification.outbound.EmailFormatter.substitute(EmailFormatter.java:445) com.glide.notification.outbound.EmailFormatter.substitute(EmailFormatter.java:414) com.glide.notification.cmn.NotificationDataEvaluator.evalMessage(NotificationDataEvaluator.java:220) com.glide.notification.cmn.NotificationDataEvaluator.changeDateTimeFormatsAndEvalMessage(NotificationDataEvaluator.java:197) com.glide.notification.cmn.NotificationDataEvaluator.evaluateNotificationData(NotificationDataEvaluator.java:154) com.glide.notification.cmn.NotificationDataEvaluator.evaluate(NotificationDataEvaluator.java:74) com.glide.notification.cmn.NotificationMessage.processTemplate(NotificationMessage.java:78) com.glide.notification.cmn.NotificationActionHandler.send(NotificationActionHandler.java:96) com.glide.notification.outbound.EmailAction.process(EmailAction.java:45) sun.reflect.GeneratedMethodAccessor2766.invoke(Unknown Source) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:498) org.mozilla.javascript.MemberBox.invoke(MemberBox.java:138) org.mozilla.javascript.NativeJavaMethod.call(NativeJavaMethod.java:292) org.mozilla.javascript.ScriptRuntime.doCall(ScriptRuntime.java:2585) org.mozilla.javascript.optimizer.OptRuntime.callN(OptRuntime.java:52) org.mozilla.javascript.gen.sysevent_script_action_0b4812080a0a0b270f6dba560f256a9b_script_166799._c_sendWorkflowNotification_1(sysevent_script_action.0b4812080a0a0b270f6dba560f256a9b.script:38) org.mozilla.javascript.gen.sysevent_script_action_0b4812080a0a0b270f6dba560f256a9b_script_166799.call(sysevent_script_action.0b4812080a0a0b270f6dba560f256a9b.script) org.mozilla.javascript.ScriptRuntime.doCall2(ScriptRuntime.java:2651) org.mozilla.javascript.ScriptRuntime.doCall(ScriptRuntime.java:2590) org.mozilla.javascript.optimizer.OptRuntime.callName0(OptRuntime.java:74) org.mozilla.javascript.gen.sysevent_script_action_0b4812080a0a0b270f6dba560f256a9b_script_166799._c_script_0(sysevent_script_action.0b4812080a0a0b270f6dba560f256a9b.script:7) org.mozilla.javascript.gen.sysevent_script_action_0b4812080a0a0b270f6dba560f256a9b_script_166799.call(sysevent_script_action.0b4812080a0a0b270f6dba560f256a9bResolutionCheck all the reference variables in the Workflow notification activity and make sure it is populated. Empty reference variable is preventing the email to be generated and processed