[Plugin: Wordbooker] PHP Fatal error: Uncaught exception

I started to receive the following error:

PHP Fatal error: Uncaught exception ‘FacebookRestClientException’ with message ‘Error finding the requested story’ in …wordbooker/facebook-platform/php/facebookapi_php5_restlib.php:3065, referer: http://…/index.php/2010/08/a-post-that-exists/

any ideas?

# Wordbooker: 1.8.11
# Wordbooker Schema: 8
# WordPress: 3.0.1
# PHP: 5.3.2
# JSON Encode: PHP
# JSON Decode: PHP
# JSON Version: 1.2.1
# SimpleXML library: PHP
# HTTP Output Character Encoding: pass
# Internal PHP Character Encoding: UTF-8
# MySQL: 5.0.91
# Database character_set_client : utf8
# Database character_set_connection : utf8
# Database character_set_database : utf8
# Database character_set_filesystem : binary
# Database character_set_results : utf8
# Database character_set_server : utf8
# Database character_set_system : utf8
# Database character_sets_dir : /usr/share/mysql/charsets/
# Database collation_connection : utf8_general_ci
# Database collation_database : utf8_unicode_ci
# Database collation_server : utf8_unicode_ci
# Server : GFE/1.3
# Active Plugins :
CGM Events Calendar ( 0.7.5 )
Dashboard Post-it ( 1.1 )
Flash Video Player ( 5.0.4 )
Google XML Sitemaps ( 3.2.4 )
HeadSpace2 ( 3.6.33 )
WP-UserOnline ( 2.73 )

Timestamp Post Diagnostic Message Diagnostic Data
2010-08-03 12:52:14 Cache Refresh Commence ( 3 )
2010-08-03 12:52:14 Cache Refresh for ( 1000003207xxxxx )
2010-08-03 12:52:14 UID length : ( 15 )
2010-08-03 12:52:14 Cache processing for user : ( 1000003207xxxxx )
2010-08-03 12:52:14 Getting Permisions for : ( 1000003207xxxxx )
2010-08-03 12:52:14 User has permssion : publish_stream ( )
2010-08-03 12:52:14 User has permssion : status_update ( )
2010-08-03 12:52:15 User has permssion : read_stream ( )
2010-08-03 12:52:15 User has permssion : create_note ( )
2010-08-03 12:52:17 Additional Permissions needed : ( 0 )
2010-08-03 12:52:17 Getting Status for : ( 1000003207xxxxx )
2010-08-03 12:52:18 Failed to get page information from FB ( )
2010-08-03 12:52:18 Setting name as : ( <name> )
2010-08-03 12:52:18 Setting status as : ( <snippet>
2010-08-03 12:52:18 Setting URL as : ( http://www.facebook.com/profile.php?id=1000003207xxxxx )
2010-08-03 12:52:18 Cache Refresh Complete for user ( 1000003207xxxxx )