diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/backup/create/BackupCreator.kt b/app/src/main/java/eu/kanade/tachiyomi/data/backup/create/BackupCreator.kt
index 2dffba007..e50a8b982 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/data/backup/create/BackupCreator.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/backup/create/BackupCreator.kt
@@ -84,10 +84,9 @@ class BackupCreator(
                     UniFile.fromUri(context, uri)
                 }
                 )
-                ?: throw Exception(context.stringResource(MR.strings.create_backup_file_error))
 
-            if (!file.isFile) {
-                throw IllegalStateException("Failed to get handle on a backup file")
+            if (file == null || !file.isFile) {
+                throw IllegalStateException(context.stringResource(MR.strings.create_backup_file_error))
             }
 
             val databaseManga = getFavorites.await() /* SY --> */ +
diff --git a/app/src/main/java/eu/kanade/tachiyomi/extension/util/ExtensionLoader.kt b/app/src/main/java/eu/kanade/tachiyomi/extension/util/ExtensionLoader.kt
index c40d78157..eccf66cd6 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/extension/util/ExtensionLoader.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/extension/util/ExtensionLoader.kt
@@ -304,7 +304,7 @@ internal object ExtensionLoader {
                     when (val obj = Class.forName(it, false, classLoader).getDeclaredConstructor().newInstance()) {
                         is Source -> listOf(obj)
                         is SourceFactory -> obj.createSources()
-                        else -> throw Exception("Unknown source class type! ${obj.javaClass}")
+                        else -> throw Exception("Unknown source class type: ${obj.javaClass}")
                     }
                 } catch (e: Throwable) {
                     logcat(LogPriority.ERROR, e) { "Extension load error: $extName ($it)" }
diff --git a/source-api/src/commonMain/kotlin/eu/kanade/tachiyomi/source/online/HttpSource.kt b/source-api/src/commonMain/kotlin/eu/kanade/tachiyomi/source/online/HttpSource.kt
index 8a1c009ef..b42a95848 100755
--- a/source-api/src/commonMain/kotlin/eu/kanade/tachiyomi/source/online/HttpSource.kt
+++ b/source-api/src/commonMain/kotlin/eu/kanade/tachiyomi/source/online/HttpSource.kt
@@ -515,4 +515,4 @@ abstract class HttpSource : CatalogueSource {
     // EXH <--
 }
 
-class LicensedMangaChaptersException : Exception("Licensed - No chapters to show")
+class LicensedMangaChaptersException : RuntimeException()