10:41:40,097 ERROR [org.jboss.msc.service.fail] (ServerService Thread Pool -- 78) MSC000001: Failed to start service org.camunda.bpm.platform.process-engine.default: org.jboss.msc.service.StartException in service org.camunda.bpm.platform.process-engine.default: java.lang.NoClassDefFoundError: org/slf4j/MDC
	at org.camunda.bpm.container.impl.jboss.service.MscManagedProcessEngineController$1.run(MscManagedProcessEngineController.java:98)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
	at org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1982)
	at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1486)
	at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1348)
	at java.lang.Thread.run(Thread.java:748)
	at org.jboss.threads.JBossThread.run(JBossThread.java:485)
Caused by: java.lang.NoClassDefFoundError: org/slf4j/MDC
	at org.camunda.bpm.engine.impl.interceptor.ProcessDataLoggingContext.clearMdc(ProcessDataLoggingContext.java:162)
	at org.camunda.bpm.engine.impl.context.Context.removeCommandInvocationContext(Context.java:85)
	at org.camunda.bpm.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:124)
	at org.camunda.bpm.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33)
	at org.camunda.bpm.engine.impl.ProcessEngineImpl.executeSchemaOperations(ProcessEngineImpl.java:120)
	at org.camunda.bpm.engine.impl.ProcessEngineImpl.<init>(ProcessEngineImpl.java:93)
	at org.camunda.bpm.engine.impl.cfg.ProcessEngineConfigurationImpl.buildProcessEngine(ProcessEngineConfigurationImpl.java:814)
	at org.camunda.bpm.container.impl.jboss.service.MscManagedProcessEngineController.startProcessEngine(MscManagedProcessEngineController.java:178)
	at org.camunda.bpm.container.impl.jboss.service.MscManagedProcessEngineController$2.run(MscManagedProcessEngineController.java:132)
	at org.camunda.bpm.container.impl.jboss.service.MscManagedProcessEngineController$2.run(MscManagedProcessEngineController.java:130)
	at org.camunda.bpm.container.impl.jboss.util.Tccl.runWithTccl(Tccl.java:54)
	at org.camunda.bpm.container.impl.jboss.util.Tccl.runUnderClassloader(Tccl.java:46)
	at org.camunda.bpm.container.impl.jboss.service.MscManagedProcessEngineController.startInternal(MscManagedProcessEngineController.java:130)
	at org.camunda.bpm.container.impl.jboss.service.MscManagedProcessEngineController$1.run(MscManagedProcessEngineController.java:91)
	... 8 more
Caused by: java.lang.ClassNotFoundException: org.slf4j.MDC from [Module "org.camunda.bpm.camunda-engine" version 7.12.0-SNAPSHOT from local module loader @3f49dace (finder: local module finder @1e397ed7 (roots: /Users/akif.hazavri/Downloads/camunda-bpm-ee-wildfly-7.12.0-20191021.083522-280/./server/wildfly-18.0.0.Final/modules,/Users/akif.hazavri/Downloads/camunda-bpm-ee-wildfly-7.12.0-20191021.083522-280/./server/wildfly-18.0.0.Final/modules/system/layers/base))]
	at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:255)
	at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:410)
	at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:398)
	at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:116)
	... 22 more