diff --git a/domain/src/main/java/tachiyomi/domain/source/model/StubSource.kt b/domain/src/main/java/tachiyomi/domain/source/model/StubSource.kt
index 0fee2af18..f7e4cb243 100644
--- a/domain/src/main/java/tachiyomi/domain/source/model/StubSource.kt
+++ b/domain/src/main/java/tachiyomi/domain/source/model/StubSource.kt
@@ -21,6 +21,11 @@ class StubSource(
     override suspend fun getPageList(chapter: SChapter): List<Page> =
         throw SourceNotInstalledException()
 
+    // KMK -->
+    override suspend fun getRelatedMangaList(manga: SManga): List<SManga> =
+        throw SourceNotInstalledException()
+    // KMK <--
+
     override fun toString(): String =
         if (!isInvalid) "$name (${lang.uppercase()})" else id.toString()