Caused by: org.apache.avalon.framework.component.ComponentException: Unable to initialize component org.ametys.plugins.odf.Content.subProgram (key [org.ametys.plugins.odf.Content.subProgram])
	at org.ametys.runtime.plugin.component.ThreadSafeComponentManager.lookup(ThreadSafeComponentManager.java:142)
	at org.ametys.runtime.plugin.component.AbstractThreadSafeComponentExtensionPoint.getExtension(AbstractThreadSafeComponentExtensionPoint.java:103)
	... 255 more
Caused by: java.lang.IllegalArgumentException: org.apache.avalon.framework.component.ComponentException: Unable to initialize component org.ametys.plugins.odf.Content.abstractProgram (key [org.ametys.plugins.odf.Content.abstractProgram])
	at org.ametys.runtime.plugin.component.AbstractThreadSafeComponentExtensionPoint.getExtension(AbstractThreadSafeComponentExtensionPoint.java:107)
	at org.ametys.cms.contenttype.DefaultContentType.configure(DefaultContentType.java:357)
	at org.apache.avalon.framework.container.ContainerUtil.configure(ContainerUtil.java:202)
	at org.ametys.runtime.plugin.component.ThreadSafeComponentManager$ComponentFactory.configureAndStart(ThreadSafeComponentManager.java:359)
	at org.ametys.runtime.plugin.component.ThreadSafeComponentManager$ComponentFactory.newInstance(ThreadSafeComponentManager.java:378)
	at org.ametys.runtime.plugin.component.ThreadSafeComponentManager.lookup(ThreadSafeComponentManager.java:138)
	... 256 more
Caused by: org.apache.avalon.framework.component.ComponentException: Unable to initialize component org.ametys.plugins.odf.Content.abstractProgram (key [org.ametys.plugins.odf.Content.abstractProgram])
	at org.ametys.runtime.plugin.component.ThreadSafeComponentManager.lookup(ThreadSafeComponentManager.java:142)
	at org.ametys.runtime.plugin.component.AbstractThreadSafeComponentExtensionPoint.getExtension(AbstractThreadSafeComponentExtensionPoint.java:103)
	... 261 more
Caused by: java.lang.IllegalArgumentException: org.apache.avalon.framework.component.ComponentException: Unable to initialize component org.ametys.plugins.odf.Content.abstractProgramBase (key [org.ametys.plugins.odf.Content.abstractProgramBase])
	at org.ametys.runtime.plugin.component.AbstractThreadSafeComponentExtensionPoint.getExtension(AbstractThreadSafeComponentExtensionPoint.java:107)
	at org.ametys.cms.contenttype.DefaultContentType.configure(DefaultContentType.java:357)
	at org.apache.avalon.framework.container.ContainerUtil.configure(ContainerUtil.java:202)
	at org.ametys.runtime.plugin.component.ThreadSafeComponentManager$ComponentFactory.configureAndStart(ThreadSafeComponentManager.java:359)
	at org.ametys.runtime.plugin.component.ThreadSafeComponentManager$ComponentFactory.newInstance(ThreadSafeComponentManager.java:378)
	at org.ametys.runtime.plugin.component.ThreadSafeComponentManager.lookup(ThreadSafeComponentManager.java:138)
	... 262 more
Caused by: org.apache.avalon.framework.component.ComponentException: Unable to initialize component org.ametys.plugins.odf.Content.abstractProgramBase (key [org.ametys.plugins.odf.Content.abstractProgramBase])
	at org.ametys.runtime.plugin.component.ThreadSafeComponentManager.lookup(ThreadSafeComponentManager.java:142)
	at org.ametys.runtime.plugin.component.AbstractThreadSafeComponentExtensionPoint.getExtension(AbstractThreadSafeComponentExtensionPoint.java:103)
	... 267 more
Caused by: java.lang.IllegalArgumentException: org.apache.avalon.framework.component.ComponentException: Unable to initialize component org.ametys.plugins.odf.Content.traversableProgramPart (key [org.ametys.plugins.odf.Content.traversableProgramPart])
	at org.ametys.runtime.plugin.component.AbstractThreadSafeComponentExtensionPoint.getExtension(AbstractThreadSafeComponentExtensionPoint.java:107)
	at org.ametys.cms.contenttype.DefaultContentType.configure(DefaultContentType.java:357)
	at org.apache.avalon.framework.container.ContainerUtil.configure(ContainerUtil.java:202)
	at org.ametys.runtime.plugin.component.ThreadSafeComponentManager$ComponentFactory.configureAndStart(ThreadSafeComponentManager.java:359)
	at org.ametys.runtime.plugin.component.ThreadSafeComponentManager$ComponentFactory.newInstance(ThreadSafeComponentManager.java:378)
	at org.ametys.runtime.plugin.component.ThreadSafeComponentManager.lookup(ThreadSafeComponentManager.java:138)
	... 268 more
Caused by: org.apache.avalon.framework.component.ComponentException: Unable to initialize component org.ametys.plugins.odf.Content.traversableProgramPart (key [org.ametys.plugins.odf.Content.traversableProgramPart])
	at org.ametys.runtime.plugin.component.ThreadSafeComponentManager.lookup(ThreadSafeComponentManager.java:142)
	at org.ametys.runtime.plugin.component.AbstractThreadSafeComponentExtensionPoint.getExtension(AbstractThreadSafeComponentExtensionPoint.java:103)
	... 273 more
Caused by: java.lang.NullPointerException
	at java.base/java.util.Collections$UnmodifiableCollection.<init>(Collections.java:1030)
	at java.base/java.util.Collections$UnmodifiableSet.<init>(Collections.java:1132)
	at java.base/java.util.Collections.unmodifiableSet(Collections.java:1122)
	at org.ametys.cms.contenttype.DefaultContentType.getTags(DefaultContentType.java:2160)
	at org.ametys.cms.contenttype.DefaultContentType.configure(DefaultContentType.java:358)
	at org.apache.avalon.framework.container.ContainerUtil.configure(ContainerUtil.java:202)
	at org.ametys.runtime.plugin.component.ThreadSafeComponentManager$ComponentFactory.configureAndStart(ThreadSafeComponentManager.java:359)
	at org.ametys.runtime.plugin.component.ThreadSafeComponentManager$ComponentFactory.newInstance(ThreadSafeComponentManager.java:378)
	at org.ametys.runtime.plugin.component.ThreadSafeComponentManager.lookup(ThreadSafeComponentManager.java:138)
	... 274 more