No ... you are not in any danger from us. However, it's best that you avoid taking images from ISIFA to post here, in the future, now that you know.
Many members have posted images from ISIFA without obtaining their permission and they were just doing a big clean up ... and we are so big, it takes a while for them to find everything, so some of these posts are quite old. We get these notices from different image companies/publishers etc. from time to time and always comply with their notices that they hold the copyrights and their requests to take the pictures down so this can happen now and then.
You may read more in our
Terms and Conditions, about copyrights and permission to post "content".