fix error message

src/code/breakpointManager.js

@@ -33,7 +33,7 @@ class breakpointManager {
       try {
         sourceLocation = await this.debugger.callTree.extractSourceLocation(currentStep)
       } catch (e) {
-        console.log('cannot jump to breakpoint ' + e.message)
+        console.log('cannot jump to breakpoint ' + e)
       }
       if (this.locationToRowConverter) {
         var lineColumn = this.locationToRowConverter(sourceLocation)

src/util/internalCallTree.js

@@ -119,7 +119,7 @@ async function buildTree (tree, step, scopeId) {
         currentSourceLocation = sourceLocation
       }
     } catch (e) {
-      return { outStep: step, error: 'InternalCallTree - Error resolving source location. ' + step + ' ' + e.message }
+      return { outStep: step, error: 'InternalCallTree - Error resolving source location. ' + step + ' ' + e }
     }
     if (!sourceLocation) {
       return { outStep: step, error: 'InternalCallTree - No source Location. ' + step }