Merci André!
I suppected something about the resize method.
I went to the config panel in the « Method for resizing images » and replaced the ImageMagick by GD version 2.x.
The system was able to rebuild the thumbnails succesfully.
So everything is fin...
I suppected something about the resize method.
I went to the config panel in the « Method for resizing images » and replaced the ImageMagick by GD version 2.x.
The system was able to rebuild the thumbnails succesfully.
So everything is fin...