openhab 3.1.1 wont start with wmbus binding

[WiredLife]

if i start openhab with the org.openhab.binding.wmbus-3.1.0-SNAPSHOT-20210805 included in /usr/share/openhab/addons i get this error following by many errors which kill any binding which uses serial communication

16:28:37.949 [WARN ] [ommon.WrappedScheduledExecutorService] - Scheduled runnable ended with an exception: java.lang.NoClassDefFoundError: org/openhab/core/io/transport/serial/UnsupportedCommOperationException at org.openmuc.jrxtx.SerialPortBuilder.build(SerialPortBuilder.java:140) ~[?:?] at org.openmuc.jmbus.transportlayer.SerialLayer.open(SerialLayer.java:30) ~[?:?] at org.openmuc.jmbus.wireless.AbstractWMBusConnection.open(AbstractWMBusConnection.java:77) ~[?:?] at org.openmuc.jmbus.wireless.WMBusConnection$Builder.build(WMBusConnection.java:162) ~[?:?] at org.openmuc.jmbus.wireless.WMBusConnection$WMBusSerialBuilder.build(WMBusConnection.java:98) ~[?:?] at org.openhab.binding.wmbus.handler.WMBusBridgeHandler.lambda$0(WMBusBridgeHandler.java:135) ~[?:?] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) ~[?:?] at java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[?:?] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[?:?] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?] at java.lang.Thread.run(Thread.java:829) [?:?] Caused by: java.lang.ClassNotFoundException: org.openhab.core.io.transport.serial.UnsupportedCommOperationException cannot be found by org.openhab.binding.wmbus_3.1.0.202108051905 at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:519) ~[org.eclipse.osgi-3.16.200.jar:?] at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:171) ~[org.eclipse.osgi-3.16.200.jar:?] at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?] ... 12 more

if i start openhab without it and put it there later, all runs ok

is there a solution to fix this?