Moving characters on the stairs - PROBLEM

Development Programming & Scripting Blueprint
3

Ok:

I can not go up the stairs:

cant.jpg
cant.jpg1391×480 96.7 KB

8f8ef8eb56c2c62ed6e686b25a0595d627d98fe8.jpeg
8f8ef8eb56c2c62ed6e686b25a0595d627d98fe8.jpeg961×471 77 KB

cant2.jpg
cant2.jpg961×471 32.7 KB

I can go up the stairs:

012f1fa57d08ffddc2ae08784cd729a15400753e.jpeg
012f1fa57d08ffddc2ae08784cd729a15400753e.jpeg1391×480 95.7 KB

can1.jpg
can1.jpg1740×768 169 KB