[imp] Still receiving fatal error string contains non-ASCII characters when logging-in to imp and when applying filters

[info at interpost.biz]

Still receiving fatal error string contains non-ASCII characters when  
logging-in to imp and when applying filters:



A fatal error has occurred

String contains non-ASCII characters.

  1. Ingo_Basic_Base->__construct() /var/www/horde/ingo/basic.php:30
  2. Ingo_Basic_Filters->_init() /var/www/horde/ingo/lib/Basic/Base.php:48
  3. Ingo_Factory_Script->perform()  
/var/www/horde/ingo/lib/Basic/Filters.php:148
  4. Ingo_Script_Base->perform() /var/www/horde/ingo/lib/Factory/Script.php:149
  5. Ingo_Script_Imap->_perform() /var/www/horde/ingo/lib/Script/Base.php:342
  6. Ingo_Script_Imap_Live->search()  
/var/www/horde/ingo/lib/Script/Imap.php:227
  7. Horde_Registry->call() /var/www/horde/ingo/lib/Script/Imap/Live.php:84
  8. Horde_Registry->callByPackage() /usr/share/php/Horde/Registry.php:1093
  9. call_user_func_array() /usr/share/php/Horde/Registry.php:1136
10. IMP_Api->searchMailbox()
11. IMP_Mailbox->runSearchQuery() /var/www/horde/imp/lib/Api.php:235
12. IMP_Imap->search() /var/www/horde/imp/lib/Mailbox.php:1135
13. IMP_Imap->__call() /var/www/horde/imp/lib/Mailbox.php:1135
14. call_user_func_array() /var/www/horde/imp/lib/Imap.php:718
15. Horde_Imap_Client_Base->search()
16. Horde_Imap_Client_Search_Query->build()  
/usr/share/php/Horde/Imap/Client/Base.php:2106
17. Horde_Imap_Client_Search_Query->build()  
/usr/share/php/Horde/Imap/Client/Search/Query.php:356
18. Horde_Imap_Client_Search_Query->build()  
/usr/share/php/Horde/Imap/Client/Search/Query.php:356
19. Horde_Imap_Client_Data_Format_String->__construct()  
/usr/share/php/Horde/Imap/Client/Search/Query.php:226
Details

The full error message is logged in Horde's log file, and is shown  
below only to administrators. Non-administrative users will not see  
error details.

Horde_Imap_Client_Data_Format_Exception Object
(
     [details] =>
     [logged] => 1
     [_logLevel:protected] => 0
     [message:protected] => String contains non-ASCII characters.
     [string:Exception:private] =>
     [code:protected] => 0
     [file:protected] =>  
/usr/share/php/Horde/Imap/Client/Data/Format/String.php
     [line:protected] => 73
     [trace:Exception:private] => Array
         (
             [0] => Array
                 (
                     [file] =>  
/usr/share/php/Horde/Imap/Client/Search/Query.php
                     [line] => 226
                     [function] => __construct
                     [class] => Horde_Imap_Client_Data_Format_String
                     [type] => ->
                     [args] => Array
                         (
                             [0] => creada - Comenzar con el correo lectrónico
                         )

                 )

etc...


Ed