Hi everyone:
There are two skeletal mesh componets in My Test BP, one created in C++ and one created in blueprints (Mesh_BP).
I modified the channel value of both of them (All true), But when I reopened the Sequencer, the value of Mesh_BP disappeared.
The one created in c++ everything will be ok.
BTW: After the modification, the **Mesh_BP** font color will turn yellow. I have no idea when & how trigger this color.