PHP script for uploading Lets Encrypt certificate not works

Hi and sorry for my poor english,

I'm triying to use the PHP script provide from user burton, but the scrip say this:

 CREATING TEMP CERT...
<?xml version="1.0" encoding="UTF-8"?>
<Response APIVersion="1800.1" IPS_CAT_VER="0">
  <Login>
    <status>Authentication Successful</status>
  </Login>
  <Certificate transactionid="">
    <Status code="200">Configuration applied successfully.</Status>
  </Certificate>
</Response>



FINDING POLICIES USING CERT: *.edelweiss.es
PHP Notice:  Undefined variable: rule_names in /home/ubuntu/script.php on line 176
PHP Notice:  Trying to access array offset on value of type null in /home/ubuntu/script.php on line 176
PHP Warning:  Invalid argument supplied for foreach() in /home/ubuntu/script.php on line 176






UPLOADING UPDATED CERTs

PHP Notice:  Undefined variable: update_policy in /home/ubuntu/script.php on line 268

<?xml version="1.0" encoding="UTF-8"?>
<Response APIVersion="1800.1" IPS_CAT_VER="0">
  <Login>
    <status>Authentication Successful</status>
  </Login>
  <Certificate transactionid="">
    <Status code="500">Operation could not be performed on Entity.</Status>
  </Certificate>
</Response>



PHP Notice:  Undefined variable: restore_policies in /home/ubuntu/script.php on line 281
PHP Warning:  Invalid argument supplied for foreach() in /home/ubuntu/script.php on line 281






DELETING TEMP CERT...
<?xml version="1.0" encoding="UTF-8"?>
<Response APIVersion="1800.1" IPS_CAT_VER="0">
  <Login>
    <status>Authentication Successful</status>
  </Login>
  <Certificate transactionid="">
    <Status code="200">Configuration applied successfully.</Status>
  </Certificate>
</Response>

I'm using Sophos XG SFOS 19.0.1 MR-1-Build365, the script is running in a Ubuntu 20.

Can you help me please.

Thx for advance

Best Regards