archive.php on Piwik 2.4.0-b3 : invalid response from API request (no replies)

Hello,

When I try :
http://statistiques.zzz.fr/misc/cron/archive.php?token_auth=96cd934744d8c36712f456b70cdb85cc

I have this message :

INFO [2014-06-05 15:24:31] [277f9] ---------------------------

INFO [2014-06-05 15:24:31] [277f9] INIT

INFO [2014-06-05 15:24:31] [277f9] Piwik is installed at: http://statistiques.zzzz.fr/index.php

INFO [2014-06-05 15:24:31] [277f9] Running Piwik 2.4.0-b3 as Super User

ERROR [2014-06-05 15:24:39] [277f9] Got invalid response from API request: http://statistiques.zzzz.fr/index.php?module=API&method=API.getDefaultMetricTranslations&format=original&serialize=1&trigger=archivephp. Response was '<br /> <b>Warning</b>:  Unexpected character in input:  '\' (ASCII=92) state=1 in <b>/home/zzzzbfgn/statistiques/console</b> on line <b>23</b><br /> <br /> <b>Parse error</b>:  syntax error, unexpected T_STRING in <b>/home/zzzzbfgn/statistiques/console</b> on line <b>23</b><br /> '

ERROR [2014-06-05 15:24:39] [277f9] The Piwik URL http://statistiques.zzzz.fr/index.php does not seem to be pointing to a Piwik server. Response was ''.

Php version is 5.5.13

What can I do ?
I have try on Piwik 2.3.0 and 2.4.0-b3, and I have the same problem

Best Regards