diff --git a/tools/file_packager.py b/tools/file_packager.py
index aab65512802cf..f016ef2011459 100755
--- a/tools/file_packager.py
+++ b/tools/file_packager.py
@@ -635,7 +635,12 @@ def generate_js(data_target, data_files, metadata):
 
   if options.support_node:
     ret += "    var isNode = typeof process === 'object' && typeof process.versions === 'object' && typeof process.versions.node === 'string';\n"
-  ret += '    function loadPackage(metadata) {\n'
+  ret += '''
+    function throwPackageError(error) {
+      throw error;
+    };
+
+    function loadPackage(metadata) {\n'''
 
   code = '''
       function assert(check, msg) {
@@ -972,10 +977,15 @@ def generate_js(data_target, data_files, metadata):
         %(node_support_code)s
         Module['dataFileDownloads'] ??= {};
         fetch(packageName)
-          .catch((cause) => Promise.reject(new Error(`Network Error: ${packageName}`, {cause}))) // If fetch fails, rewrite the error to include the failing URL & the cause.
+          .catch((cause) => {
+            errback(new Error(`Network Error: ${packageName}`, {cause}));
+            // We want to be sure to cancel promise chain because we sometimes call this function with method
+            // which doesn't throw error hance promise chain is not broken
+            return Promise.reject(new Error(`Network Error: ${packageName}`, {cause}));
+          }) // If fetch fails, rewrite the error to include the failing URL & the cause.
           .then((response) => {
             if (!response.ok) {
-              return Promise.reject(new Error(`${response.status}: ${response.url}`));
+              return errback(new Error(`${response.status}: ${response.url}`));
             }
 
             if (!response.body && response.arrayBuffer) { // If we're using the polyfill, readers won't be available...
@@ -983,9 +993,9 @@ def generate_js(data_target, data_files, metadata):
             }
 
             const reader = response.body.getReader();
-            const iterate = () => reader.read().then(handleChunk).catch((cause) => {
-              return Promise.reject(new Error(`Unexpected error while handling : ${response.url} ${cause}`, {cause}));
-            });
+            const iterate = () => reader.read().then(handleChunk).catch((cause) =>
+              errback(new Error(`Unexpected error while handling : ${response.url} ${cause}`, {cause}))
+            );
 
             const chunks = [];
             const headers = response.headers;
@@ -1022,10 +1032,6 @@ def generate_js(data_target, data_files, metadata):
             Module['setStatus']?.('Downloading data...');
             return iterate();
           });
-      };
-
-      function handleError(error) {
-        console.error('package error:', error);
       };\n''' % {'node_support_code': node_support_code}
 
     code += '''
@@ -1048,7 +1054,7 @@ def generate_js(data_target, data_files, metadata):
         function preloadFallback(error) {
           console.error(error);
           console.error('falling back to default preload behavior');
-          fetchRemotePackage(REMOTE_PACKAGE_NAME, REMOTE_PACKAGE_SIZE, processPackageData, handleError);
+          fetchRemotePackage(REMOTE_PACKAGE_NAME, REMOTE_PACKAGE_SIZE, processPackageData, throwPackageError);
         };
 
         openDatabase(
@@ -1088,7 +1094,7 @@ def generate_js(data_target, data_files, metadata):
         } else {
           fetched = data;
         }
-      }, handleError);\n'''
+      }, throwPackageError);\n'''
 
       code += '''
       Module['preloadResults'][PACKAGE_NAME] = {fromCache: false};
@@ -1117,7 +1123,7 @@ def generate_js(data_target, data_files, metadata):
         if (isNode) {
           require('fs').readFile(metadataUrl, 'utf8', (err, contents) => {
             if (err) {
-              return Promise.reject(err);
+              throwPackageError(err);
             } else {
               loadPackage(JSON.parse(contents));
             }
@@ -1134,11 +1140,14 @@ def generate_js(data_target, data_files, metadata):
     var metadataUrl = Module['locateFile'] ? Module['locateFile']('%(metadata_file)s', '') : '%(metadata_file)s';
     %(node_support_code)s
     fetch(metadataUrl)
+      .catch((cause) =>
+        throwPackageError(new Error(`Network Error: ${packageName}`, {cause}))
+      ) // If fetch fails, rewrite the error to include the failing URL & the cause.
       .then((response) => {
         if (response.ok) {
           return response.json();
         }
-        return Promise.reject(new Error(`${response.status}: ${response.url}`));
+        throwPackageError(new Error(`Response error: ${response}`));
       })
       .then(loadPackage);
   }