Error validating access token

It worked.. but now it’s off again with same error.
Just tried to reset user session but: “Error validating access token: Sessions for user with id xxx are not allowed.”

Please provide the following information about your installation:
Wordbooker: 2.1.29
Wordbooker Code Base: 2.1.29 R00 - One of These Days
Wordbooker ID: 254577506873
Wordbooker Schema: 5.6
WordPress: 3.5.1
Table prefix: wp_
PHP: 5.3.15
PHP Memory Limit: 256M
PHP Memory Usage (MB): 69.5
JSON Encode: PHP
JSON Decode: PHP
Curl Status: Curl is available and can access Facebook - All is OK ( Response Time was : 0.536257982254 seconds )
Curl Version: 7.24.0
JSON Version: 1.2.1
SimpleXML library: 0.1 (provided by PHP)
HTTP Output Character Encoding: pass
Internal PHP Character Encoding: UTF-8
MySQL: 5.5.30-cll
Database character_set_client : utf8
Database character_set_connection : utf8
Database character_set_database : latin1
Database character_set_filesystem : binary
Database character_set_results : utf8
Database character_set_server : latin1
Database character_set_system : utf8
Database character_sets_dir : /usr/share/mysql/charsets/
Database collation_connection : utf8_general_ci
Database collation_database : latin1_general_ci
Database collation_server : latin1_general_ci
Server : Apache
Active Plugins :
   Add Linked Images To Gallery ( 1.4 )
   Advanced Menu Widget ( 0.2 )
   Advanced Post List ( 0.3.b6 )
   AJAX Hits Counter + Popular Posts Widget ( 0.7.6 )
   Ajaxy Live Search_MOD ( 999.1.2 )
   Ambrosite Next/Previous Post Link Plus ( 2.4 )
   App Display Page ( 1.5.1 )
   BackUpWordPress ( 2.2.1 )
   Better WP Security ( 3.4.8 )
   Bulk Watermark ( 1.6.5 )
   Categories Images ( 2.2.4 )
   Contact Form 7 ( 3.3.3 )
   Contextual Related Posts ( 1.8.5 )
   Cron GUI ( 1.03 )
   Dashboard Notepad ( 1.40 )
   Digg Digg ( 5.3.1 )
   Duplicate Post ( 2.4.1 )
   Advanced YouTube Embed Plugin - Embed Plus ( 2.4.0 )
   Error Log Dashboard Widget ( 1.0.2 )
   Facebook Page Promoter Lightbox ( 2.5.8 )
   Facebook ( 1.3 )
   FancyBox for WordPress ( 3.0.2 )
   Feed Template Customize ( 1.0.0.1 )
   Google Analytics for WordPress ( 4.3.1 )
   Google XML Sitemaps ( 4.0beta11 )
   GTmetrix for WordPress ( 0.4 )
   iframe Shortcode ( 0.1 )
   jj-WP Easy Navigation ( 1.0 )
   Maintenance Mode ( 5.4 )
   Missing SEO Data ( 1.1 )
   PHP Code for posts ( 1.0 )
   Popular Widget ( 1.5.9 )
   Quick Adsense ( 1.9.1 )
   Recent Backups ( 0.7 )
   Savrix Android Market ( 2.2.3 )
   Signature Watermark ( 1.7.3 )
   Social Media Widget ( 3.3 )
   Subscribe2 widget ( 1.1 )
   Subscribe2 ( 8.8 )
   Transposh Translation Filter ( 0.9.2 )
   Tweet Blender ( 3.3.15 )
   Twitter Hash Tag Shortcode ( 0.4 )
   Ultimate Posts Widget ( 1.5 )
   upPrev Previous Post Animated Notification ( 1.4.0 )
   Use Google Libraries ( 1.5 )
   WordPress SEO ( 1.4.2 )
   WP Android Shortcode ( 1.0.1 )
   WP App Store Connect ( 1.2.1 )
   WP Get ( 1.1 )
   WP MashSocial Wigdet ( 1.8.6 )
   WP-PageNavi ( 2.83 )
   WP SlimStat ShortCodes ( 2.1 )
   WP Smush.it ( 1.6.2 )
   WP Super Cache ( 1.2 ) 

Wordbooker Table Status :
      Table 'wp_wordbooker_errorlogs' is present and contains 398 rows
      Table 'wp_wordbooker_postlogs' is present and contains 206 rows
      Table 'wp_wordbooker_userdata' is present and contains 2 rows
      Table 'wp_wordbooker_userstatus' is present and contains 2 rows
      Table 'wp_wordbooker_postcomments' is present and contains 195 rows
      Table 'wp_wordbooker_process_queue' is present and contains 0 rows
      Table 'wp_wordbooker_fb_friends' is present and contains 0 rows
      Table 'wp_wordbooker_fb_friend_lists' is present and contains 0 rows