# MES OEE Downtime module Faulted error

**URL:** <https://forum.inductiveautomation.com/t/mes-oee-downtime-module-faulted-error/44512>\
**Category:** Ignition\
**Tags:** ignition79\
**Created:** [March 16, 2021, 9:02am UTC](https://forum.inductiveautomation.com/t/mes-oee-downtime-module-faulted-error/44512 "2021-03-16T09:02:41Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![kartik.i](https://avatars.discourse-cdn.com/v4/letter/k/e9c0ed/32.png) [@kartik.i](https://forum.inductiveautomation.com/u/kartik.i)\
**Post date:** [March 16, 2021, 9:02am UTC](https://forum.inductiveautomation.com/t/mes-oee-downtime-module-faulted-error/44512/1 "2021-03-16T09:02:41Z")

</div>

Hello,

```
I am getting this error while I am trying to import the Sepasoft OEE downtime module in Ignition 7.9.

```

Could anyone help me out with this error?

java.lang.Exception: Exception while starting up module “oeedt2gateway”.  
at com.inductiveautomation.ignition.gateway.modules.ModuleManagerImpl$LoadedModule.startup(ModuleManagerImpl.java:2279)  
at com.inductiveautomation.ignition.gateway.modules.ModuleManagerImpl.startupModule(ModuleManagerImpl.java:1089)  
at com.inductiveautomation.ignition.gateway.modules.ModuleManagerImpl$2.call(ModuleManagerImpl.java:683)  
at com.inductiveautomation.ignition.gateway.modules.ModuleManagerImpl.executeModuleOperation(ModuleManagerImpl.java:835)  
at com.inductiveautomation.ignition.gateway.modules.ModuleManagerImpl.installModuleInternal(ModuleManagerImpl.java:654)  
at com.inductiveautomation.ignition.gateway.modules.ModuleManagerImpl.access$1000(ModuleManagerImpl.java:135)  
at com.inductiveautomation.ignition.gateway.modules.ModuleManagerImpl$InstallCommand.execute(ModuleManagerImpl.java:1792)  
at com.inductiveautomation.ignition.gateway.modules.ModuleManagerImpl$Receiver.receiveCall(ModuleManagerImpl.java:1729)  
at com.inductiveautomation.ignition.gateway.redundancy.QueueableMessageReceiver.receiveCall(QueueableMessageReceiver.java:47)  
at com.inductiveautomation.ignition.gateway.redundancy.RedundancyManagerImpl.dispatchMessage(RedundancyManagerImpl.java:722)  
at com.inductiveautomation.ignition.gateway.redundancy.RedundancyManagerImpl$ExecuteTask.run(RedundancyManagerImpl.java:743)  
at com.inductiveautomation.ignition.common.execution.impl.BasicExecutionEngine$ThrowableCatchingRunnable.run(BasicExecutionEngine.java:518)  
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)  
at java.util.concurrent.FutureTask.run(FutureTask.java:266)  
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)  
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)  
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)  
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)  
at java.lang.Thread.run(Thread.java:748)  
Caused by: java.lang.NoClassDefFoundError: com/sepasoft/production/license/MESModuleLicenseManager  
at com.sepasoft.oeedt2.gateway.OEEDT2GatewayHook.startup(OEEDT2GatewayHook.java:36)  
at com.inductiveautomation.ignition.gateway.modules.ModuleManagerImpl$LoadedModule.startup(ModuleManagerImpl.java:2273)  
… 18 more  
Caused by: java.lang.ClassNotFoundException: com.sepasoft.production.license.MESModuleLicenseManager  
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)  
at java.lang.ClassLoader.loadClass(ClassLoader.java:418)  
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)  
… 20 more

7.9.9 (b2018081621)  
Oracle Corporation 1.8.0\_261

Thanks,  
Kartik I