you have to change the materials on each client: create a custom event which changes the materials and multicast it. the BPTryMultiUse only runs on the server (in a non-dedicated scenario the first client is also the server).
you have to change the materials on each client: create a custom event which changes the materials and multicast it. the BPTryMultiUse only runs on the server (in a non-dedicated scenario the first client is also the server).