Yeah like Vicky said, verify those materials.

Looking for shaders in collection 'f_im' (scenarios\shaders\forerunner\industria
### WARNING couldn't find shader 'f_im flat__light_scratchy' in collection 'f_im
' (scenarios\shaders\forerunner\industrial\metals)
### ERROR: Unable to find shader "f_im flat__light_scratchy".

flat__light_scratchy

^There is an extra underscore (_), fix that.



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Another common issue; when compiling a map the first time select Compile Only, then when that completes select Light Only on a low setting. Now see if the .scenario will load up in Sapien.