Unable to create a customer: Call to a member function getIpAddressStruct() on null (IpAddressesSelector.php:169)

Symptoms

• The following error occurs on attempt to create a customer via Customers > Create a customer

  CONFIG_TEXT: Call to a member function getIpAddressStruct() on null (IpAddressesSelector.php:169)

• In /usr/local/psa/admin/logs/panel.log following records might be found:

  CONFIG_TEXT: PHP Fatal error: Call to a member function getIpAddressStruct() on null in /usr/local/psa/admin/plib/CommonPanel/Form/IpAddressesSelector.php on line 169
  ERR [1] ERROR: Call to a member function getIpAddressStruct() on null (IpAddressesSelector.php:169)

Cause

Database inconsistency.

Resolution

1. Log into the server via SSH.
2. Create a backup of Plesk database:

   # MYSQL_PWD=`cat /etc/psa/.psa.shadow` mysqldump psa -uadmin > psa_current.sql

3. Use the following command to find the inconsistency:

   # plesk repair db -n -verbose

   The output as following might be seen:

   MYSQL_LIN: Inconsistency in the table 'ip_pool' for the column ip_address_id:
   No rows in the table 'IP_Addresses' with = 1 (5 broken references) [WARNING]
   Broken references in table 'ip_pool':
   *************************** 1. row ***************************
   id: 1
   ip_address_id: 1
   type: shared
   Inconsistency in the table 'IpAddressesCollections' for the column
   ipAddressId: No rows in the table 'IP_Addresses' with = 1 ........ [WARNING]
   Broken references in table 'IpAddressesCollections':
   *************************** 1. row ***************************
   ipCollectionId: 673
   ipAddressId: 1

4. Run plesk repair utility:

   # plesk repair db -y -verbose