[Samsung Galaxy S20 / S20+ / S20 Ultra Questions & ] thehartk:
here an exception just before:

12-12 16:15:45.492 15367 23299 W System.err: com.sec.android.WSM.WSMException: [WSMException] Client (String serverID, String clientID) error code : -1119
12-12 16:15:45.493 15367 23299 W System.err: at com.sec.android.WSM.Client.<init>(Client.java:47)
12-12 16:15:45.493 15367 23299 W System.err: at com.samsung.accessory.security.SASecurityUtil.getClientDetails(SASecurityUtil.java:210)
12-12 16:15:45.493 15367 23299 W System.err: at com.samsung.accessory.security.SASecurityClientStateHandler.getClientDetails(SASecurityClientStateHandler.java:292)
12-12 16:15:45.493 15367 23299 W System.err: at com.samsung.accessory.security.SASecurityClientStateHandler.initializeAuthentication(SASecurityClientStateHandler.java:36)
12-12 16:15:45.493 15367 23299 W System.err: at com.samsung.accessory.security.SASecurityManager.authorise(SASecurityManager.java:120)
12-12 16:15:45.493 15367 23299 W System.err: at com.samsung.discovery.core.SADiscoveryCore.handlePeerDescriptionSuccess(SADiscoveryCore.java:912)
12-12 16:15:45.493 15367 23299 W System.err: at com.samsung.discovery.core.SADiscoveryCore.access$200(SADiscoveryCore.java:56)
12-12 16:15:45.493 15367 23299 W System.err: at com.samsung.discovery.core.SADiscoveryCore$DiscoveryCallbackImpl.onPeerDescriptionSuccess(SADiscoveryCore.java:144)
12-12 16:15:45.493 15367 23299 W System.err: at com.samsung.discovery.pd.SAPeerDescriptionManager$3.peerDescriptionSuccess(SAPeerDescriptionManager.java:335)
12-12 16:15:45.493 15367 23299 W System.err: at com.samsung.discovery.pd.state.SAPdClientStateHandler.doSendPdSuccess(SAPdClientStateHandler.java:371)
12-12 16:15:45.493 15367 23299 W System.err: at com.samsung.discovery.pd.state.SAPdClientFsm$7.onEntry(SAPdClientFsm.java:259)
12-12 16:15:45.493 15367 23299 W System.err: at com.samsung.discovery.pd.state.SAPdClientFsm.enter(SAPdClientFsm.java:430)
12-12 16:15:45.493 15367 23299 W System.err: at com.samsung.discovery.pd.state.SAPdClientFsm$5.onMessageReceived(SAPdClientFsm.java:208)
12-12 16:15:45.493 15367 23299 W System.err: at com.samsung.discovery.pd.state.SAPdClientStateHandler.messageReceived(SAPdClientStateHandler.java:78)
12-12 16:15:45.493 15367 23299 W System.err: at com.samsung.discovery.pd.SAPeerDescriptionManager$2.onMessageReceived(SAPeerDescriptionManager.java:224)
12-12 16:15:45.493 15367 23299 W System.err: at com.samsung.accessory.connectivity.SAConnectivityManager.handleMessageReceived(SAConnectivityManager.java:190)
12-12 16:15:45.493 15367 23299 W System.err: at com.samsung.accessory.connectivity.SAConnectivityManager$4.onMessageReceived(SAConnectivityManager.java:475)
12-12 16:15:45.493 15367 23299 W System.err: at com.samsung.accessory.connectivity.bt.SABtRfConnection$ReaderThread.run(SABtRfConnection.java:532)
12-12 16:15:45.493 15367 23299 W System.err: at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
12-12 16:15:45.493 15367 23299 W System.err: at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
12-12 16:15:45.493 15367 23299 W System.err: at java.lang.Thread.run(Thread.java:923)
12-12 16:15:45.493 15367 23299 E SASecurityClientStateHandler: SA_ERROR: Client not populated properly
12-12 16:15:45.494 15367 23299 I SAConnectivityManager: Closing Connection For AccessoryId : 35134
12-12 16:15:45.495 15367 23299 E SAConnectivityManager: SA_ERROR: Connection Details Map does not contain the accessory id : 35134
12-12 16:15:45.495 15367 15409 W SADiscoveryCore: handling msg: DEVICE_ERROR(error code=0x9000000e)...
12-12 16:15:45.495 15367 23299 I SAPlatformDbUtils: Loaded PeerParams <address: C0:77, PeerVersion: 1024>
12-12 16:15:45.495 15367 15409 W SADiscoveryCore: Authentication failed Error: 9000000e Device: C0:77
12-12 16:15:45.496 15367 15409 I SASessionManager: Closing the reserved session for accessoryId: 35134