The crash is fixed somehow

app/src/main/java/eu/kanade/tachiyomi/source/online/all/EHentai.kt

@@ -642,6 +642,8 @@ class EHentai(
      */
     override fun mangaDetailsParse(response: Response) = throw UnsupportedOperationException()
 
+    override fun newMetaInstance() = EHentaiSearchMetadata()
+
     override suspend fun parseIntoMetadata(metadata: EHentaiSearchMetadata, input: Document) {
         with(metadata) {
             with(input) {

app/src/main/java/eu/kanade/tachiyomi/source/online/all/MangaDex.kt

@@ -213,6 +213,8 @@ class MangaDex(delegate: HttpSource, val context: Context) :
     // MetadataSource methods
     override val metaClass: KClass<MangaDexSearchMetadata> = MangaDexSearchMetadata::class
 
+    override fun newMetaInstance() = MangaDexSearchMetadata()
+
     override suspend fun parseIntoMetadata(metadata: MangaDexSearchMetadata, input: Triple<MangaDto, List<String>, StatisticsMangaDto>) {
         apiMangaParser.parseIntoMetadata(metadata, input.first, input.second, input.third)
     }

app/src/main/java/eu/kanade/tachiyomi/source/online/all/NHentai.kt

@@ -36,6 +36,7 @@ class NHentai(delegate: HttpSource, val context: Context) :
     NamespaceSource,
     PagePreviewSource {
     override val metaClass = NHentaiSearchMetadata::class
+    override fun newMetaInstance() = NHentaiSearchMetadata()
     override val lang = delegate.lang
 
     private val sourcePreferences: SharedPreferences by lazy {

app/src/main/java/eu/kanade/tachiyomi/source/online/english/EightMuses.kt

@@ -24,6 +24,7 @@ class EightMuses(delegate: HttpSource, val context: Context) :
     UrlImportableSource,
     NamespaceSource {
     override val metaClass = EightMusesSearchMetadata::class
+    override fun newMetaInstance() = EightMusesSearchMetadata()
     override val lang = "en"
 
     // Support direct URL importing

app/src/main/java/eu/kanade/tachiyomi/source/online/english/HBrowse.kt

@@ -23,6 +23,7 @@ class HBrowse(delegate: HttpSource, val context: Context) :
     UrlImportableSource,
     NamespaceSource {
     override val metaClass = HBrowseSearchMetadata::class
+    override fun newMetaInstance() = HBrowseSearchMetadata()
     override val lang = "en"
 
     // Support direct URL importing

app/src/main/java/eu/kanade/tachiyomi/source/online/english/Pururin.kt

@@ -36,6 +36,7 @@ class Pururin(delegate: HttpSource, val context: Context) :
      * The class of the metadata used by this source
      */
     override val metaClass = PururinSearchMetadata::class
+    override fun newMetaInstance() = PururinSearchMetadata()
 
     // Support direct URL importing
     override fun fetchSearchManga(page: Int, query: String, filters: FilterList): Observable<MangasPage> {

app/src/main/java/eu/kanade/tachiyomi/source/online/english/Tsumino.kt

@@ -30,6 +30,7 @@ class Tsumino(delegate: HttpSource, val context: Context) :
     UrlImportableSource,
     NamespaceSource {
     override val metaClass = TsuminoSearchMetadata::class
+    override fun newMetaInstance() = TsuminoSearchMetadata()
     override val lang = "en"
 
     // Support direct URL importing

app/src/main/java/exh/md/handlers/ApiMangaParser.kt

@@ -33,10 +33,7 @@ class ApiMangaParser(
     /**
      * Use reflection to create a new instance of metadata
      */
-    private fun newMetaInstance() = metaClass.constructors.find {
+    private fun newMetaInstance() = MangaDexSearchMetadata()
-        it.parameters.isEmpty()
-    }?.call()
-        ?: error("Could not find no-args constructor for meta class: ${metaClass.qualifiedName}!")
 
     suspend fun parseToManga(
         manga: SManga,

source-api/consumer-proguard.pro

@@ -3,3 +3,5 @@
 -keep class eu.kanade.tachiyomi.source.** extends eu.kanade.tachiyomi.source.Source { public protected *; }
 
 -keep,allowoptimization class eu.kanade.tachiyomi.util.JsoupExtensionsKt { public protected *; }
+
+-keep class exh.metadata.** { public protected *; }

source-api/src/commonMain/kotlin/eu/kanade/tachiyomi/source/online/MetadataSource.kt

@@ -42,10 +42,7 @@ interface MetadataSource<M : RaisedSearchMetadata, I> : CatalogueSource {
     /**
      * Use reflection to create a new instance of metadata
      */
-    private fun newMetaInstance() = metaClass.constructors.find {
+    fun newMetaInstance(): M
-        it.parameters.isEmpty()
-    }?.call()
-        ?: error("Could not find no-args constructor for meta class: ${metaClass.qualifiedName}!")
 
     /**
      * Parses metadata from the input and then copies it into the manga