If i not run multichain-util create jjjjjjjjj, i immediate run 【multichaind jjjjjjjjj -daemon】,the application tell create or clone ,and now ,there is not multichaind process in processlist 【ps -ef | grep multichain】,but if i run 【multichaind jjjjjjjjj -daemon】 again,i got message 【Couldn't initialize permission database for blockchain jjjjjjjjj. Probably multichaind for this blockchain is already running. Exiting...】,and permissions.log write 【Cannot initialize semaphore】,please help me thanks 。 mac os