Article ID: 115420, created on Jan 16, 2013, last review on Jun 17, 2016

  • Applies to:
  • Plesk 12.5 for Linux

Fixed since

The problem described in this KB article has been completely fixed since Parallels Plesk Panel 11.5 (see release notes).


When trying to reconfigure the Apache web server, the following error is displayed:  

# /usr/local/psa/admin/sbin/httpdmng --reconfigure-all 
PHP Fatal error: Class name must be a valid object or a string in /usr/local/psa/admin/plib/Template/Scheme/Webserver.php on line 62


The issue is caused by a database inconsistency:  

mysql> select id,name from Configurations where name='';
 | id    | name |
 | 35075 |      |
 | 35131 |      |
 2 rows in set (0.01 sec)`   There should be no entries with name=''. 
   The reason these entries are appearing in the database is still under investigation.


The issue will be fixed in a future update for which a new Knowledgebase article will be created. You may subscribe for new articles on Parallels Plesk Panel product if you wish to receive notifications about their creation.  


As a workaround you may remove the incorrect entries from the psa database:  

#MYSQL_PWD=`cat /etc/psa/.psa.shadow`  mysql -uadmin psa
 mysql> delete from Configurations where name='';

56797cefb1efc9130f7c48a7d1db0f0c a914db3fdc7a53ddcfd1b2db8f5a1b9c 29d1e90fd304f01e6420fbe60f66f838 742559b1631652fadd74764ae8be475e e335d9adf7edffca6a8af8039031a4c7

Email subscription for changes to this article
Save as PDF