Error 21728

Product: Programmable SMS

ERROR - 21728

Campaign registration failed due to length validation failures

We could not register your US A2P Campaign because one or more field(s) do not satisfy length requirements.

Possible Causes

One or more field(s) do not satisfy length requirements.

Possible Solutions

Please fix the error and retry Campaign registration. Please check out our support article to read about the length requirements on these fields.