Installing the calendar on a 4.6 system sometimes works, sometimes not. On one machine, this error message comes up after installation (including the the sql-scripts), restart of the aolserver and mounting the new application:
Request Error
no value given for parameter "key" to "_"
while executing
"_ calendar.Add_Item"
invoked from within
"set item_add_template "<a href=\"cal-item-new?julian_date=\$julian_date&start_time=&end_time=\" title=\"[_ calendar.Add_Item]\">+</a>""
("uplevel" body line 29)
invoked from within
"uplevel {
....
Any idea?