Theme is read only

Hi,



I try to create an email or a landing page from a theme. I can not change anything in the generator (even with official themes)

Do you have any idea about this ?



Thank you very much



My configuration :

Mautic version : 2.7.0

PHP Version 5.6.30

Hi,

I try to create an email or a landing page from a theme. I can not change anything in the generator (even with official themes)
Do you have any idea about this ?

Thank you very much

My configuration :
Mautic version : 2.7.0
PHP Version 5.6.30