drag.end() has not been invoked.

[deeprado]

When I drag the element, “drag.end() has not been invoked. “ keeps repeating the output
console.log as flow:

C:\Users\Administrator\Desktop\electron-kefu8\node_modules\electron-drag-drop\lib\drag.js:44 drag.end() has not been invoked.
drag.start @ C:\Users\Administrator\Desktop\electron-kefu8\node_modules\electron-drag-drop\lib\drag.js:44
(anonymous) @ window.js?45d7:67
window.js?45d7:66 xxx
C:\Users\Administrator\Desktop\electron-kefu8\node_modules\electron-drag-drop\lib\drag.js:44 drag.end() has not been invoked.
drag.start @ C:\Users\Administrator\Desktop\electron-kefu8\node_modules\electron-drag-drop\lib\drag.js:44
(anonymous) @ window.js?45d7:67
window.js?45d7:66 xxx
C:\Users\Administrator\Desktop\electron-kefu8\node_modules\electron-drag-drop\lib\drag.js:44 drag.end() has not been invoked.
drag.start @ C:\Users\Administrator\Desktop\electron-kefu8\node_modules\electron-drag-drop\lib\drag.js:44
(anonymous) @ window.js?45d7:67
window.js?45d7:66 xxx
C:\Users\Administrator\Desktop\electron-kefu8\node_modules\electron-drag-drop\lib\drag.js:44 drag.end() has not been invoked.
drag.start @ C:\Users\Administrator\Desktop\electron-kefu8\node_modules\electron-drag-drop\lib\drag.js:44
(anonymous) @ window.js?45d7:67
window.js?45d7:66 xxx
C:\Users\Administrator\Desktop\electron-kefu8\node_modules\electron-drag-drop\lib\drag.js:44 drag.end() has not been invoked.