diff --git a/node_modules/@foundryvtt/foundryvtt-cli/lib/package.mjs b/node_modules/@foundryvtt/foundryvtt-cli/lib/package.mjs
index fe64397..74427bc 100644
--- a/node_modules/@foundryvtt/foundryvtt-cli/lib/package.mjs
+++ b/node_modules/@foundryvtt/foundryvtt-cli/lib/package.mjs
@@ -341,6 +341,7 @@ async function compileClassicLevel(pack, files, { log, transformEntry }={}) {
 
   // Load the directory as a ClassicLevel DB.
   const db = new ClassicLevel(pack, { keyEncoding: "utf8", valueEncoding: "json" });
+  await db.open(); // explicit open to avoid deferred-iterator crash on Node 24+
   const batch = db.batch();
   const seenKeys = new Set();
 
