2456391 - EEM script fails: <variable> is not defined, e.g., because a preceding request did not deliver the expected result

An EEM script is failing. By checking the /usr/sap/<DAA>/SMDA<XX>/SMDAgent/log/eem*.log, you find the following error:

Mar 30, 2017 4:06:04 PM [Thread[EEM/<script name>/1,5,EEM_SCHEDULER:ExecTG]] Warning com.sap.smd.eem.executor.XmlExecutor.runStep request caused errors
[EXCEPTION]
com.sap.smd.eem.executor.MessageException: <variable name> is not defined, e.g., because a preceding request did not deliver the expected result. msg=[id=410,name=410_notify.htm,method=GET,url=<host:port>/sap({<variable>})/webcuif/notify/polling/SAM::9337BDAF5DF61E93F04ED3614B70FE2E5F6C8FA8::20170330200713.4771750/notify.htm] status=PROTOCOL_ERROR
at com.sap.smd.eem.executor.AbstractExecutor.replaceParameters(AbstractExecutor.java:417)
at com.sap.smd.eem.executor.AbstractExecutor.replaceParameters(AbstractExecutor.java:372)
at com.sap.smd.eem.executor.http.NetweaverHttpProtocol.serverRequest(NetweaverHttpProtocol.java:215)
at com.sap.smd.eem.executor.AbstractExecutor.serverRequest(AbstractExecutor.java:287)
at com.sap.smd.eem.executor.XmlExecutor.runStep(XmlExecutor.java:151)
at com.sap.smd.eem.executor.XmlExecutor.iteration(XmlExecutor.java:44)
at com.sap.smd.eem.executor.AbstractExecutor.run(AbstractExecutor.java:205)
at com.sap.smd.eem.agelet.EEMAction.doRun(EEMAction.java:130)
at com.sap.smd.eem.agelet.AbstractEEMAction.run(AbstractEEMAction.java:61)
at com.sap.smd.eem.agelet.Scheduler$RunnerAdapter.run(Scheduler.java:171)
at com.sap.smd.server.exec.TaskRunner.run(TaskRunner.java:47)
at com.sap.smd.server.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.java:781)
at java.lang.Thread.run(Thread.java:763)

• SAP Solution Manager 7.1
• SAP Solution Manager 7.2

KBA , SV-SMG-MON-EEM , End User Experience Monitoring , Problem