Constant output from wp-crm in debug.log

I’m getting a lot of verbose output from wp-crm within our debug.log constantly. There are such entries as:
https://gist.github.com/ylluminate/54b40b7d7ab7b7ebffc4

Could you please advise as to what is going on here and how to eliminate this seeming problem or conflict?

http://wordpress.org/extend/plugins/wp-crm/