PHP Warnings

Has anyone got similar PHP errors like mine below? Not sure what they mean or how to fix the,

30-Sep-2013 03:30:23 UTC] PHP Warning: trim() expects parameter 1 to be string, array given in /home/…/wp-content/plugins/social-networks-auto-poster-facebook-twitter-g/inc-cl/tw.api.php on line 20

[30-Sep-2013 03:30:23 UTC] WordPress database error Table ‘SOMEDBNAME.wp_nxs_log’ doesn’t exist for query INSERT INTO wp_nxs_log (date,act,msg,extInfo,type,nt) VALUES (‘2013-09-30 03:30:23′,’Posted’,’OK – Message Posted ‘,”,’S’,'<span style=\”color:#00FFFF\”>Twitter</span> – ACCOUNTNAME’) made by do_action_ref_array, call_user_func_array, check_and_publish_future_post, wp_publish_post, wp_transition_post_status, do_action(‘future_to_publish’), call_user_func_array, nxs_snapPublishTo, nxs_doPublishToTW, nxs_addToLogN

[30-Sep-2013 03:58:58 UTC] WordPress database error Table ‘SOMEDBNAME.wp_nxs_log’ doesn’t exist for query INSERT INTO wp_nxs_log (date,act,msg,extInfo,type,nt) VALUES (‘2013-09-30 03:58:58′,’*** ID: 47643, Type: post’,’ Status Changed: future_to_publish. Autopost requested.’,”,’BG’,”) made by do_action_ref_array, call_user_func_array, check_and_publish_future_post, wp_publish_post, wp_transition_post_status, do_action(‘transition_post_status’), call_user_func_array, nxs_snapLogPublishTo, nxs_addToLogN

[30-Sep-2013 03:58:58 UTC] WordPress database error Table ‘SOMEDBNAME.wp_nxs_log’ doesn’t exist for query INSERT INTO wp_nxs_log (date,act,msg,extInfo,type,nt) VALUES (‘2013-09-30 03:58:58’,’Start =- ‘,’——=========#### NEW AUTO-POST REQUEST PostID:(47643) Non Human ####=========——‘,”,’BG’,”) made by do_action_ref_array, call_user_func_array, check_and_publish_future_post, wp_publish_post, wp_transition_post_status, do_action(‘future_to_publish’), call_user_func_array, nxs_snapPublishTo, nxs_addToLogN

[30-Sep-2013 03:59:03 UTC] WordPress database error Table ‘SOMEDBNAME.wp_nxs_log’ doesn’t exist for query INSERT INTO wp_nxs_log (date,act,msg,extInfo,type,nt) VALUES (‘2013-09-30 03:59:03′,’Posted’,’OK – Message Posted ‘,’ | PostID: 47643 – SOME POST TITLE’,’S’,'<span style=\”color:#000080\”>StumbleUpon</span> – StumbleUpon’) made by do_action_ref_array, call_user_func_array, check_and_publish_future_post, wp_publish_post, wp_transition_post_status, do_action(‘future_to_publish’), call_user_func_array, nxs_snapPublishTo, nxs_doPublishToSU, nxs_addToLogN

http://wordpress.org/plugins/social-networks-auto-poster-facebook-twitter-g/