When @Cache.usage changes, casting exception is thrown about hibernate-arcus HOT 2 CLOSED

package org.hibernate.cache.spi.support;
public class EntityReadWriteAccess extends AbstractReadWriteAccess implements EntityDataAccess

	@Override
	public boolean afterInsert(SharedSessionContractImplementor session, Object key, Object value, Object version) {
		try {
			writeLock().lock();
			* Lockable item = (Lockable) getStorageAccess().getFromCache( key, session ); // <--- casting exception point #1
			if ( item == null ) {
				getStorageAccess().putIntoCache(
						key,
						new Item( value, version, getRegion().getRegionFactory().nextTimestamp() ),
						session
				);
				return true;
			}
			else {
				return false;
			}
		}
		finally {
			writeLock().unlock();
		}
	}

	@Override
	public boolean afterUpdate(
			SharedSessionContractImplementor session,
			Object key,
			Object value,
			Object currentVersion,
			Object previousVersion,
			SoftLock lock) {
		try {
			writeLock().lock();
			* Lockable item = (Lockable) getStorageAccess().getFromCache( key, session ); // <--- casting exception point #2

			if ( item != null && item.isUnlockable( lock ) ) {
				SoftLockImpl lockItem = (SoftLockImpl) item;
				if ( lockItem.wasLockedConcurrently() ) {
					decrementLock( session, key, lockItem );
					return false;
				}
				else {
					getStorageAccess().putIntoCache(
							key,
							new Item( value, currentVersion, getRegion().getRegionFactory().nextTimestamp() ),
							session
					);
					return true;
				}
			}
			else {
				handleLockExpiry(session, key, item );
				return false;
			}
		}
		finally {
			writeLock().unlock();
		}
	}