Yes, on patrol saves, not in port saves.
The report generator is in the folder where your saved game folders are which is correct.
You've only used a text editor like notepad to open the *.clg files, not Word or Wordpad etc.
Your clg file seems to be corrupted.
You aren't adding previous patrols to it and keep a running total, which is possible to do... some people like to do this.
To rule out the report generator, download a new copy.
Here are 100's of successful reports:
http://pacificthundercampaign62842.yuku.com/
Stock games, TMO ships are also listed, RFB installs too.