Maximum function nesting level of '256' reached, aborting!

[shades3002]

error when trying to understand the template for its adaptation:

templates/bundles/ArtgrisFileManagerBundle/manager.html.twig

manager.html.twig ->
{% extends "@ArtgrisFileManager/manager.html.twig" %}

error:
Maximum function nesting level of '256' reached, aborting!

[artgris]

Hi,

try {% extends "@!ArtgrisFileManager/manager.html.twig" %} to prevent circular reference