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Error while to Adding to Whatsapp group


I am gettting following error while mobile number is getting added to whatsapp group. How to decode the issue?

Task History ID: IjExNjg1MDk5MSI_3D
Step Name: Chat API > Add Participant to Group
Task Error Detail:

"response": "<!DOCTYPE html>\n<html lang="en">\n<head>\n<meta charset="utf-8">\n<title>Error</title>\n</head>\n<body>\n<pre>SyntaxError: Unexpected token &quot;<br> &nbsp; &nbsp;at parse (/app/node_modules/body-parser/lib/types/json.js:83:15)<br> &nbsp; &nbsp;at /app/node_modules/body-parser/lib/read.js:116:18<br> &nbsp; &nbsp;at invokeCallback (/app/node_modules/raw-body/index.js:262:16)<br> &nbsp; &nbsp;at done (/app/node_modules/raw-body/index.js:251:7)<br> &nbsp; &nbsp;at IncomingMessage.onEnd (/app/node_modules/raw-body/index.js:307:7)<br> &nbsp; &nbsp;at IncomingMessage.emit (events.js:203:15)<br> &nbsp; &nbsp;at endReadableNT (_stream_readable.js:1145:12)<br> &nbsp; &nbsp;at process._tickCallback (internal/process/next_tick.js:63:19)</pre>\n</body>\n</html>\n"


Well-known member
Staff member
Hey @AmitG

In the "Chat API: Add Participant to Group" action event you have to pass the phone number of the user without the "+" from the prefix of the number.

Kindly check that out and try this at your end.