diff --git a/generate_single_file.js b/generate_single_file.js
index bbef4f7..c32351f 100644
--- a/generate_single_file.js
+++ b/generate_single_file.js
@@ -98,6 +98,7 @@ async function appendContent(srcFile, targetFile, contentModifications = [], lin
         console.log(`           Append/Write: successfully!`);
     } catch (error) {
         console.error(`Error reading/writing files: ${error.message}`);
+        console.error(srcFile);
     }
 }
 
@@ -146,7 +147,6 @@ async function bundleWithSpecifiedMode(targetFile, fileList, modulize = true) {
                 ), Promise.resolve()
             )
     }
-
 }
 
 
diff --git a/jpclw-bundle.json b/jpclw-bundle.json
index 6b45a6e..269b30c 100644
--- a/jpclw-bundle.json
+++ b/jpclw-bundle.json
@@ -48,9 +48,6 @@
             "Row.js",
             "InputComponent.js"
         ],
-        "extensions": [
-            "extension.js"
-        ],
         "context": [
             "scriptAndStyleContext.js",
             "framework-controls.js",
@@ -84,7 +81,6 @@
         "padding.js",
         "shapes.js",
         "siding.js",
-        "extension.js",
         "simplePagingAndNavigation.js",
         "defaultGenerators.js",
         "generator.js",
@@ -504,14 +500,6 @@
                 "Sides"
             ]
         },
-        "extension.js": {
-            "folder": "src/extensions",
-            "name": "extension.js"
-        },
-        "simplePagingAndNavigation.js": {
-            "folder": "src/extensions",
-            "name": "simplePagingAndNavigation.js"
-        },
         "defaultGenerators.js": {
             "folder": "src/generators",
             "name": "defaultGenerators.js",
diff --git a/src/component/modifiableComponent.js b/src/component/ModifiableComponent.js
similarity index 100%
rename from src/component/modifiableComponent.js
rename to src/component/ModifiableComponent.js
diff --git a/src/helper/twoDimPoint.js b/src/helper/TwoDimPoint.js
similarity index 100%
rename from src/helper/twoDimPoint.js
rename to src/helper/TwoDimPoint.js