Kantu for firefox 66 and Firefox ESR 60 errors in all default macros

I installed Kantu in new browser firefox 66 and firefox esr 60 and give all default macro errors, no macros have been created or modified are the macros already installed.

[warning]

Error in parsing macros/DemoAutofill.json:
undefined

[warning]

Error in parsing macros/DemoCanvas.json:
undefined

[warning]

Error in parsing macros/DemoComputerVision.json:
undefined

[warning]

Error in parsing macros/DemoCsvReadWithLoop.json:
undefined

[warning]

Error in parsing macros/DemoCsvReadWithWhile.json:
undefined

[warning]

Error in parsing macros/DemoCsvSave.json:
undefined

[warning]

Error in parsing macros/DemoDialogboxes.json:
undefined

[warning]

Error in parsing macros/DemoDownload.json:
undefined

[warning]

Error in parsing macros/DemoDragDrop.json:
undefined

[warning]

Error in parsing macros/DemoExtract.json:
undefined

[warning]

Error in parsing macros/DemoFrames.json:
undefined

[warning]

Error in parsing macros/DemoIfElse.json:
undefined

[warning]

Error in parsing macros/DemoIframe.json:
undefined

[warning]

Error in parsing macros/DemoIframe_with_XClick.json:
undefined

[warning]

Error in parsing macros/DemoImplicitWaiting.json:
undefined

[warning]

Error in parsing macros/DemoPDFTest_with_OCR.json:
undefined

[warning]

Error in parsing macros/DemoStoreEval.json:
undefined

[warning]

Error in parsing macros/DemoTabs.json:
undefined

[warning]

Error in parsing macros/DemoTakeScreenshots.json:
undefined

[warning]

Error in parsing macros/DemoVisualUITest.json:
undefined

[warning]

Error in parsing macros/DemoXClick.json:
undefined

[warning]

Error in parsing macros/DemoXDesktopAutomation.json:
undefined

[warning]

Error in parsing macros/DemoXDesktopAutomation_OCR.json:
undefined

[warning]

Error in parsing macros/DemoXType.json:
undefined

[warning]

Error in parsing macros/Sub_DemoCsvRead_FillForm.json:
undefined

[warning]

Error in parsing macros/Sub_XDesktopAutomation_Area.json:
undefined

Fix this bug please.

If I delete all macros and testsuites of default show others error wih the name of macros and testsuite deleted.

I think there is a list of default macro and testsuite not updated with the real macro and testsuite saved in firefox.

Solved in V5.0 with the new test suites.