Thanks:) I have fixed the missing coma, but it still doesn't display anything...
just in case I tried with :
{let mylist=fetch(content,list,hash(parent_node_id,15232))}
{section loop=$mylist}
{section show=eq($:item.data_map.status.data_int, 0}
{node_view_gui view=line content_node=$:item.data_map}<br>
{/section}
{/section}
{/let} <br>
finally it's working, I used the attribute Id instead of the 'lesson_text/status' and it worked... no idea why this is so, but it's enought if it's working ;)
What kind of system are you running (OS, ez version)?
I just experienced this problem today after copying code from a working installation 3.5/linux to a 3.6/windows install and had to make the same change to get it to work (from attribute name to ID).