40100: TaskRouter->Reject

Your Reject instruction does not include a valid activity_sid parameter.

• You did not include an activity_sid parameter in your reject instruction.
• You did include an activity_sid but it was invalid or no longer exists.

• Confirm a valid ActivitySid value is is being passed by your code into the request payload JSON's activity_sid parameter: { "instruction": "reject", "activity_sid": "WA0123456789abcdef0123456789abcdef" }