>>>>wp-content/plugins/simple-press/sp-api/sp-api-primitives.php
line: 396
function: spdb_table
error: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ‘AND post_id=2 AND message=’An edit has been made to your post” at line 1

SELECT notice_id FROM wp_sfnotices WHERE user_id= AND post_id=2 AND message=’An edit has been made to your post’

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I have two of these messages in my error log.   They seem to indicate a problem with SQL.   

Thanks