Duplicate name "Allow fileitemstore"

The following exception is thrown during startup of the middleware:

Start-up of bundle "com.openexchange.security.manager" failed: SECURITY-0001 Categories=ERROR Message='Problem parsing security policy file: java.lang.IllegalStateException: Duplicate name "Allow fileitemstore" at row: 12' exceptionID=-615844067-1
com.openexchange.exception.OXException: SECURITY-0001 Categories=ERROR Message='Problem parsing security policy file: java.lang.IllegalStateException: Duplicate name "Allow fileitemstore" at row: 12' exceptionID=-615844067-1
	at com.openexchange.exception.OXExceptionFactory.create(OXExceptionFactory.java:182)
	at com.openexchange.exception.OXExceptionFactory.create(OXExceptionFactory.java:172)
	at com.openexchange.exception.OXExceptionFactory.create(OXExceptionFactory.java:145)
	at com.openexchange.security.manager.exceptions.SecurityManagerExceptionCodes.create(SecurityManagerExceptionCodes.java:146)
	at com.openexchange.security.manager.impl.OXSecurityManagerImpl.loadFromPolicyFile(OXSecurityManagerImpl.java:255)
	at com.openexchange.security.manager.osgi.SecurityManagerActivator.startBundle(SecurityManagerActivator.java:106)
	at com.openexchange.osgi.DeferredActivator.startUp(DeferredActivator.java:518)
	at com.openexchange.osgi.DeferredActivator.signalAvailability(DeferredActivator.java:441)
	at com.openexchange.osgi.DeferredActivator$DeferredServiceTracker.addingService(DeferredActivator.java:178)
	at org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:943)
	at org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:1)
	at org.osgi.util.tracker.AbstractTracked.trackAdding(AbstractTracked.java:256)
	at org.osgi.util.tracker.AbstractTracked.trackInitial(AbstractTracked.java:183)
	at org.osgi.util.tracker.ServiceTracker.open(ServiceTracker.java:321)
	at org.osgi.util.tracker.ServiceTracker.open(ServiceTracker.java:264)
	at com.openexchange.osgi.DeferredActivator.init(DeferredActivator.java:339)
	at com.openexchange.osgi.DeferredActivator.start(DeferredActivator.java:505)
	at com.openexchange.osgi.HousekeepingActivator.start(HousekeepingActivator.java:206)
	at org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:842)
	at org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:1)
	at java.security.AccessController.doPrivileged(Native Method)
	at org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:834)
	at org.eclipse.osgi.internal.framework.BundleContextImpl.start(BundleContextImpl.java:791)
	at org.eclipse.osgi.internal.framework.EquinoxBundle.startWorker0(EquinoxBundle.java:1015)
	at org.eclipse.osgi.internal.framework.EquinoxBundle$EquinoxModule.startWorker(EquinoxBundle.java:365)
	at org.eclipse.osgi.container.Module.doStart(Module.java:603)
	at org.eclipse.osgi.container.Module.start(Module.java:467)
	at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel$2.run(ModuleContainer.java:1844)
	at org.eclipse.osgi.internal.framework.EquinoxContainerAdaptor$2$1.execute(EquinoxContainerAdaptor.java:150)
	at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.incStartLevel(ModuleContainer.java:1837)
	at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.incStartLevel(ModuleContainer.java:1780)
	at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.doContainerStartLevel(ModuleContainer.java:1742)
	at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.dispatchEvent(ModuleContainer.java:1664)
	at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.dispatchEvent(ModuleContainer.java:1)
	at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:234)
	at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:345)```