diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/room/crypto/RoomCryptoService.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/room/crypto/RoomCryptoService.kt
index 6d7dffb441..445d16b72b 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/room/crypto/RoomCryptoService.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/room/crypto/RoomCryptoService.kt
@@ -27,7 +27,10 @@ interface RoomCryptoService {
     fun shouldEncryptForInvitedMembers(): Boolean
 
     /**
-     * Enable encryption of the room
+     * Enable encryption of the room.
+     * @param Use force to ensure that this algorithm will be used. Otherwise this call
+     * will throw if encryption is already setup or if the algorithm is not supported. Only to
+     * be used by admins to fix misconfigured encryption.
      */
     suspend fun enableEncryption(algorithm: String = MXCRYPTO_ALGORITHM_MEGOLM, force: Boolean = false)
 
diff --git a/vector/src/main/java/im/vector/app/features/home/room/detail/composer/MessageComposerViewState.kt b/vector/src/main/java/im/vector/app/features/home/room/detail/composer/MessageComposerViewState.kt
index edaa82165e..915e1b3338 100644
--- a/vector/src/main/java/im/vector/app/features/home/room/detail/composer/MessageComposerViewState.kt
+++ b/vector/src/main/java/im/vector/app/features/home/room/detail/composer/MessageComposerViewState.kt
@@ -43,10 +43,10 @@ sealed interface SendMode {
     data class Voice(val text: String) : SendMode
 }
 
-sealed class CanSendStatus {
-    object Allowed : CanSendStatus()
-    object NoPermission : CanSendStatus()
-    data class UnSupportedE2eAlgorithm(val algorithm: String?) : CanSendStatus()
+sealed interface CanSendStatus {
+    object Allowed : CanSendStatus
+    object NoPermission : CanSendStatus
+    data class UnSupportedE2eAlgorithm(val algorithm: String?) : CanSendStatus
 }
 
 fun CanSendStatus.boolean(): Boolean {
diff --git a/vector/src/main/java/im/vector/app/features/roomprofile/RoomProfileViewModel.kt b/vector/src/main/java/im/vector/app/features/roomprofile/RoomProfileViewModel.kt
index 52f9187fff..363cb1ea31 100644
--- a/vector/src/main/java/im/vector/app/features/roomprofile/RoomProfileViewModel.kt
+++ b/vector/src/main/java/im/vector/app/features/roomprofile/RoomProfileViewModel.kt
@@ -71,10 +71,10 @@ class RoomProfileViewModel @AssistedInject constructor(
         observeRoomCreateContent(flowRoom)
         observeBannedRoomMembers(flowRoom)
         observePermissions()
-        obeservePowerLevels()
+        observePowerLevels()
     }
 
-    private fun obeservePowerLevels() {
+    private fun observePowerLevels() {
         val powerLevelsContentLive = PowerLevelsFlowFactory(room).createFlow()
         powerLevelsContentLive
                 .onEach {
@@ -208,6 +208,7 @@ class RoomProfileViewModel @AssistedInject constructor(
                 room.enableEncryption(force = true)
             } catch (failure: Throwable) {
                 Timber.e(failure, "Failed to restore encryption state in room ${room.roomId}")
+                _viewEvents.post(RoomProfileViewEvents.Failure(failure))
             } finally {
                 _viewEvents.post(RoomProfileViewEvents.DismissLoading)
             }