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Article ID: 128949, created on Jun 13, 2016, last review on Jun 13, 2016

  • Applies to:
  • Plesk Automation 11.5


  1. The following error displays when submitting the provisioning order in WHMCS:

    "An unexpected error has occurred during subscription creation: 'Malformed response from PPA. Please make sure the PPA management node is available and the IP address of your WHMCS server is added to the list of allowed networks for PPA API. You can check this at PPA > System > Settings > Public API'" 
  2. The following error can be found in /var/log/poa.debug.log on management node:

    Jun 13 20:46:19 panel : ERR [openapi-firewall:f4ff7b70 1:31859:f4ff7b70 lib]: [iqxmlrpc-server] Server: Server error. XML-RPC violation: unexpected tag <member> at /methodCall/params/param/value/struct/member[1]


PA's API does not accept long values for the resources limits. The limit is written to the variable with type int, and if the value's length exceeds 4 bytes ( >= 2147483647), it will not be accepted.

The behavior was caused by softwarre issue #PPA-2141. The fix is planned to be included in one of the future product updates.


If the service template has the long values of some resources limits, decrease it accordingly or set to unlimited.

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