diff --git a/lib/pipeline/webpackProcess.js b/lib/pipeline/webpackProcess.js
index d102567f..847c278f 100644
--- a/lib/pipeline/webpackProcess.js
+++ b/lib/pipeline/webpackProcess.js
@@ -6,6 +6,16 @@ const writeFile = require('util').promisify(require('fs').writeFile);
 
 let webpackProcess;
 
+function errorMessage(e) {
+  if (typeof e === 'string') {
+    return e;
+  } else if (e && e.message) {
+    return e.message;
+  } else {
+    return e;
+  }
+}
+
 class WebpackProcess extends ProcessWrapper {
   constructor(options) {
     super(options);
@@ -16,9 +26,7 @@ class WebpackProcess extends ProcessWrapper {
     try {
       await this.webpackRun(assets, importsList, callback);
     } catch (e) {
-      console.error(e.message);
-      callback(e);
-      // ?? should return e or e.message
+      callback(errorMessage(e));
     }
   }
 
@@ -33,9 +41,7 @@ class WebpackProcess extends ProcessWrapper {
         JSON.stringify(assets)
       );
     } catch (e) {
-      console.error(e.message);
-      return callback(e);
-      // ?? should return e or e.message
+      return callback(errorMessage(e));
     }
 
     const dappConfigPath = fs.dappPath('webpack.config.js');
@@ -60,15 +66,10 @@ class WebpackProcess extends ProcessWrapper {
       } else if (Array.isArray(config)) {
         config = config.filter(cfg => cfg.name === this.webpackConfigName);
         if (!config.length) {
-          const errMsg = `no webpack config has the name '${this.webpackConfigName}'`;
-          console.error(errMsg);
-          return callback(errMsg);
-          // ?? should the message be wrapped in new Error()
+          return callback(`no webpack config has the name '${this.webpackConfigName}'`);
         }
         if (config.length > 1) {
-          console.warn(
-            `detected ${config.length} webpack configs having the name '${this.webpackConfigName}', using the first one`
-          );
+          console.warn(`detected ${config.length} webpack configs having the name '${this.webpackConfigName}', using the first one`);
         }
         config = config[0];
       } else {
@@ -76,22 +77,16 @@ class WebpackProcess extends ProcessWrapper {
       }
     } catch (e) {
       console.error(`error while loading webpack config ${configPath}`);
-      console.error(e.message);
-      callback(e);
-      // ?? should return e or e.message
+      callback(errorMessage(e));
     }
 
     if (typeof config !== 'object' || config === null) {
-      const errMsg = 'bad webpack config, the resolved config was null or not an object';
-      console.error(errMsg);
-      return callback(errMsg);
-      // ?? should the message be wrapped in new Error()
+      return callback('bad webpack config, the resolved config was null or not an object');
     }
 
     webpack(config).run(async (err, stats) => {
       if (err) {
-        console.error(err);
-        return callback(err);
+        return callback(errorMessage(err));
       }
       try {
         if (config.stats && config.stats !== 'none') {
@@ -107,12 +102,10 @@ class WebpackProcess extends ProcessWrapper {
           );
         }
       } catch (e) {
-        console.error(e.message);
-        return callback(err);
+        return callback(errorMessage(e));
       }
       if (config.stats && stats.hasErrors()) {
         const errors = stats.toJson(config.stats).errors.join('\n');
-        console.error(errors);
         return callback(errors);
       }
       callback();