Extension builder error

#1

The extension cannot be previewed and stops in the process of “get face panel data”.

#2

May I have the error screen shot?

#3

I’m sorry, the problem has been solved.
However, the preview takes a lot of time.

#4 
unknown: Unexpected token, expected "," (532: 8)

   530 |};
   531 |
 > 532 | [object Object]
       | ^
   533 |
   534 | self.rpc.exports = {
   535 | runBlock: function runBlock (opcode, method, deviceId, block, args) {

An error occurred.