One of the use cases that can lead to this issue
{#male root="{title}" title="Mrs"}
{root}
{#names:female title="{title}" period="."}
{title}{period} {.}{~n}
{/names}
{/male}
too much recursion
elem = elem(this, context, null, {auto: auto, filters: filters});
{
"female" : { "title" : "Senorita" },
"title": "Sir",
"names": ['Javier'],
"male" : { "title" : "Senor" },
}
The issue is related to have same name aliases , title=title or title="{title}" in nested levels