Engine is busy

[Moneshs]

I have run the jmeter_stop.sh and if I rerun the script again its not working its just show engine is busy

Logs:
Starting the test @ Thu Apr 27 15:03:41 UTC 2023 (1682607821419)
Engine is busy - please try later
Engine is busy - please try later
Engine is busy - please try later
Engine is busy - please try later
Engine is busy - please try later
Engine is busy - please try later
Engine is busy - please try later
Engine is busy - please try later
Engine is busy - please try later
Engine is busy - please try later
Remote engines have been started
Waiting for possible Shutdown/StopTestNow/Heapdump message on port 4445

[Moneshs]

023-04-27 15:13:56,220 ERROR o.a.j.e.ClientJMeterEngine: Error in rconfigure() method
java.lang.IllegalStateException: Engine is busy - please try later
at org.apache.jmeter.engine.RemoteJMeterEngineImpl.rconfigure(RemoteJMeterEngineImpl.java:144) ~[ApacheJMeter_core.jar:5.0 r1840935]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_181]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_181]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_181]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_181]
at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:357) ~[?:1.8.0_181]
at sun.rmi.transport.Transport$1.run(Transport.java:200) ~[?:1.8.0_181]
at sun.rmi.transport.Transport$1.run(Transport.java:197) ~[?:1.8.0_181]
at java.security.AccessController.doPrivileged(Native Method) ~[?:1.8.0_181]
at sun.rmi.transport.Transport.serviceCall(Transport.java:196) ~[?:1.8.0_181]
at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:573) ~[?:1.8.0_181]
at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:834) ~[?:1.8.0_181]
at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:688) ~[?:1.8.0_181]
at java.security.AccessController.doPrivileged(Native Method) ~[?:1.8.0_181]
at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:687) ~[?:1.8.0_181]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[?:1.8.0_181]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[?:1.8.0_181]
at java.lang.Thread.run(Thread.java:748) ~[?:1.8.0_181]
at sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:283) ~[?:1.8.0_181]
at sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:260) ~[?:1.8.0_181]
at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:161) ~[?:1.8.0_181]
at java.rmi.server.RemoteObjectInvocationHandler.invokeRemoteMethod(RemoteObjectInvocationHandler.java:227) ~[?:1.8.0_181]
at java.rmi.server.RemoteObjectInvocationHandler.invoke(RemoteObjectInvocationHandler.java:179) ~[?:1.8.0_181]
at com.sun.proxy.$Proxy19.rconfigure(Unknown Source) ~[?:?]
at org.apache.jmeter.engine.ClientJMeterEngine.runTest(ClientJMeterEngine.java:151) [ApacheJMeter_core.jar:5.0 r1840935]
at org.apache.jmeter.engine.DistributedRunner.start(DistributedRunner.java:132) [ApacheJMeter_core.jar:5.0 r1840935]
at org.apache.jmeter.engine.DistributedRunner.start(DistributedRunner.java:149) [ApacheJMeter_core.jar:5.0 r1840935]
at org.apache.jmeter.JMeter.runNonGui(JMeter.java:1071) [ApacheJMeter_core.jar:5.0 r1840935]
at org.apache.jmeter.JMeter.startNonGui(JMeter.java:973) [ApacheJMeter_core.jar:5.0 r1840935]
at org.apache.jmeter.JMeter.start(JMeter.java:555) [ApacheJMeter_core.jar:5.0 r1840935]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_181]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_181]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_181]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_181]
at org.apache.jmeter.NewDriver.main(NewDriver.java:245) [ApacheJMeter.jar:5.0 r1840935]
2023-04-27 15:13:56,221 ERROR o.a.j.u.JMeterUtils: Engine is busy - please try later
2023-04-27 15:13:56,221 INFO o.a.j.e.DistributedRunner: Remote engines have been started