Error 40157
Product: TaskRouter
ERROR - 40157
Dequeue Instruction does not have a valid 'status_callback_url' parameter
Invalid 'status_callback_url' parameter - Dequeue Instruction
Possible Causes
You have provided either an empty string or a value with incorrect datatype for the “status_callback_url” parameter.
Possible Solutions
"status_callback_url" should be a well formed HTTP or HTTPS URL string.