To be completed by the original poster:
White branding CMS 2.3.6
not sure but it’s not so important because it’s a layout designer issue…
Here is the error message when i try to use jpg : “Sublime Shake is too large. Please ensure that none of the images in your layout are larger than 6000 pixels on their longest edge. Please check the allowed Resize Limit in Administration -> Settings”
The resolution is 960 px X 1080 px 72 dpi…
I saw a closed post about the same issue but it was from a previous version and this bug should be fixed.
Your help will be appraciated.
All the best ;).