Creating Communication Log from Email

Hi I am having trouble at the moment attaching an email to an object record. I do the following 1. select the email from the inbox display 2. click the "Communication Log" button at the top of the email 3. choose "Select from list" in the popup window 4. change the "Look in" selection to an object called Project The initial list appears, but there are no links to be able to select the record. The problem is NOT that the record selector field is not displayed, it is and in fact the list view being used is the same one that I use elsewhere to actually open a project. The record selector field is there, but it is just text, not a link. Also, if I change the view using the view selector, other lists return empty (and in fact the ajax xml returned is Looking in the main.log file for the customer zone, shows the following every time: [2012-04-05 23:27:28,113] ===> Error in thread TP-Processor3 at 05/04/2012 23:27: AJAX Error cmd=listData [2012-04-05 23:27:28,113] java.lang.NullP