Did you solve? I have similar issue. 2022-11-01 11:21:28.703553+0800 Lanxin[14212:409701] [assertion] Error acquiring assertion: <Error Domain=RBSServiceErrorDomain Code=1 "target is not running or doesn't have entitlement com.apple.runningboard.assertions.webkit" UserInfo={NSLocalizedFailureReason=target is not running or doesn't have entitlement com.apple.runningboard.assertions.webkit}> 2022-11-01 11:21:28.704000+0800 Lanxin[14212:409701] [ProcessSuspension] 0x147cf9080 - ProcessAssertion: Failed to acquire RBS assertion 'WebProcess Background Assertion' for process with PID=14215, error: Error Domain=RBSServiceErrorDomain Code=1 "target is not running or doesn't have entitlement com.apple.runningboard.assertions.webkit" UserInfo={NSLocalizedFailureReason=target is not running or doesn't have entitlement com.apple.runningboard.assertions.webkit}