Twig_Error_Syntax: A message inside a trans tag must be a simple text
Quick tip: When have a code like this: {% raw %}{% trans %}prefix.{{ varname }}{% endtrans %}{% endraw %} And receive this error: Twig_Error_Syntax: A message inside a trans tag must be a simple text You can use the following piece of code as workaround. {% raw %}{{ ("prefix." ~ varname)|trans }}{% endraw %} PS: maybe this is not the best way to go.