My code in Default single event format:

<h2>#_NAME</h2>

<p>#_CATEGORIES | #j #M #Y -#_12HSTARTTIME - #_12HENDTIME | #_ICALLINK <--Click Here to to add to your calendar</p>

<p>#_LOCATION | #_ADDRESS</p>

<p><a href="#_LOCATIONPAGEURL">Location and/or Room Information</a></p>

Cost: #_ATT{cost} | Credit Hours: #_ATT{creditHours}

#_NOTES

#_ADDBOOKINGFORM

#_REMOVEBOOKINGFORM

<p>The Following People Are Registered for this class:</p>

#_ATTENDEES

I noticed that you do a preg_match to determine actions for placeholders is that the problem?

If I remove the #_LOCATION placeholder it the link works fine. If it’s there the link becomes <a href="XXXPAGEURL">blah</a> where XXX is the location name.