diff --git a/ext/js/dictionary/dictionary-importer.js b/ext/js/dictionary/dictionary-importer.js
index 13fbb7078..e8a72ba82 100644
--- a/ext/js/dictionary/dictionary-importer.js
+++ b/ext/js/dictionary/dictionary-importer.js
@@ -373,10 +373,9 @@ export class DictionaryImporter {
      * @returns {ExtensionError}
      */
     _formatAjvSchemaError(schema, fileName) {
-        const e2 = new ExtensionError(`Dictionary has invalid data in '${fileName}'`);
-        e2.data = schema.errors;
-
-        return e2;
+        const e = new ExtensionError(`Dictionary has invalid data in '${fileName}' '${JSON.stringify(schema.errors)}'`);
+        e.data = schema.errors;
+        return e;
     }
 
     /**
diff --git a/ext/js/display/query-parser.js b/ext/js/display/query-parser.js
index 344383fb2..cf487a3d3 100644
--- a/ext/js/display/query-parser.js
+++ b/ext/js/display/query-parser.js
@@ -133,6 +133,9 @@ export class QueryParser extends EventDispatcher {
         this._text = text;
         this._setPreview(text);
 
+        if (this._useInternalParser === false && this._useMecabParser === false) {
+            return;
+        }
         /** @type {?import('core').TokenObject} */
         const token = {};
         this._setTextToken = token;