Selection did not return a value, and no default was provided
while executing
"db_string comment_attachment_type_get {
select file_type
from comments
where comment_id = :comment_id
}"
(procedure "ad_static_comments_get_attachment" line 10)
invoked from within
"ad_static_comments_get_attachment {}"
("eval" body line 1)
invoked from within
"eval $proc [list $conn] $args"
invoked from within
"ad_return -code error -errorcode $errorCode -errorinfo $errorInfo $error"