Ya in new Samsung messaging app you cannot copy or forward messages which not comes from a valid number :( well you can download google message or any other messaging app from play store that works
We do apologize for the inconvenience caused. Samsung will soon launch an update for the message application to fix the issue. We appreciate your patience with this.
Be sure to hit ♡ when you find an answer that works for you. For Further assistance, you can get in touch with us via Live Chat option by following- http://livechat.support.samsung.com/Customer_new/IN. You can also connect us via Samsung Members web community by following mentioned url-https://community.samsungmembers.com/en_IN#/
