Boa noite Claudio, estou com o mesmo erro usando a vers?o 2.01.
08-21-2013 @ 22:02:06 - Failed to generate the PagSeguro Payment Token: Array
(
[headers] => Array
(
[date] => Wed, 21 Aug 2013 22:02:06 GMT
[server] => Apache-Coyote/1.1
[content-type] => application/xml;charset=ISO-8859-1
[cache-control] => max-age=180
[expires] => Wed, 21 Aug 2013 22:05:06 GMT
[vary] => User-Agent
[connection] => close
)
[body] => <?xml version="1.0" encoding="ISO-8859-1" standalone="yes"?><errors><error><code>11014</code><message>senderPhone invalid value: 222222</message></error></errors>
[response] => Array
(
[code] => 400
[message] => Bad Request