App is not getting enabled on Confluence 7.1.1

2019-12-09 10:37:01,373 ERROR [ThreadPoolAsyncTaskExecutor::Thread 46] [plugin.osgi.factory.OsgiPlugin] onPluginContainerFailed Unable to start the plugin container for plugin 'de.communardo.confluence.plugins.subspace' 
-- referer: https://...../plugins/servlet/upm | url: /rest/plugins/1.0/de.communardo.confluence.plugins.subspace-key | traceId: | userName: 
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org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'navigationManager' defined in URL [bundle://295.0:0/META-INF/spring/atlassian-plugins-components.xml]: Unsatisfied dependency expressed through constructor parameter 3; nested exception is org.springframework.beans.factory.NoUniqueBeanDefinitionException: No qualifying bean of type 'com.atlassian.confluence.core.ContentEntityManager' available: expected single matching bean but found 2: contentEntityManager,pageManager 
at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:769) 
at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:218) 
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor (AbstractAutowireCapableBeanFactory.java:1341) 
atorg.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance (AbstractAutowireCapableBeanFactory.java:1187)

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Caused by: org.springframework.beans.factory.NoUniqueBeanDefinitionException: No qualifying bean of type 'com.atlassian.confluence.core.ContentEntityManager' available: expected single matching bean but found 2: contentEntityManager,pageManager 
at org.springframework.beans.factory.config.DependencyDescriptor.resolveNotUnique(DependencyDescriptor.java:221) 
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency (DefaultListableBeanFactory.java:1229) at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency (DefaultListableBeanFactory.java:1171) at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:857) 
at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:760) 

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