well i have a trouble which is that i cant open the singleplayer map on the sapien can anyone tell if i can fix that also when i am going to test the map it doesnt open the map and it close with a exception can anyone helpme because i want to make my singleplayer mods

What does your debug say?

this is what says the debug
D:\Archivos de programa\Microsoft Games\Halo Custom Edition2>tool build-cache-fi
le levels\a10\a10
Couldn't read map file './toolbeta.map'
the model 'characters\marine_armored\marine_armored' and the collision model 'ch
aracters\marine_armored\marine_armored' don't match (region counts don't match)
the object 'characters\marine_armored\marine_armored' will not be collidable
the model 'characters\marine_armored\marine_armored' and the collision model 'ch
aracters\marine_armored\marine_armored' don't match (region counts don't match)
the object 'characters\marine_wounded\prone_1\prone_1' will not be collidable
the model 'characters\marine_armored\marine_armored' and the collision model 'ch
aracters\marine_armored\marine_armored' don't match (region counts don't match)
the object 'characters\marine_wounded\sitting_1\sitting_1' will not be collidabl
e
the model 'characters\marine_armored\marine_armored' and the collision model 'ch
aracters\marine_armored\marine_armored' don't match (region counts don't match)
the object 'characters\marine_wounded\sitting_2\sitting_2' will not be collidabl
e
the model 'characters\marine_armored\marine_armored' and the collision model 'ch
aracters\marine_armored\marine_armored' don't match (region counts don't match)
the object 'characters\marine_armored\marine_armored_unarmed' will not be collid
able
WARNING: 1 clusters in structure_bsp levels\a10\a10_space have no background sou
nd or sound environment.
WARNING: command list look_at_halo could be ambiguously attached to BSPs #1 and
#8
WARNING: command list look_at_halo could be ambiguously attached to BSPs #1 and
#8
culling uncompressed model vertices...done
culling uncompressed structure bsp vertices...done
culling uncompressed model animation data...done
building predicted resources for structures...done
structure bsp 'levels\a10\a10a' is 8.25M
structure bsp 'levels\a10\a10b' is 10.94M
structure bsp 'levels\a10\a10c' is 8.04M
structure bsp 'levels\a10\a10d' is 7.27M
structure bsp 'levels\a10\a10e' is 10.35M
structure bsp 'levels\a10\a10f' is 11.39M
structure bsp 'levels\a10\a10g' is 11.49M
structure bsp 'levels\a10\a10_space' is 1.90M
structure bsp 'levels\a10\x10hangar' is 3.62M
tag headers and names are 0.31M
streaming model vertex and index buffers...done
streaming tags.......................................done
writing vertex and index buffers...done 10.72M
writing tags...done (3909 tags for 11.07M)
total tag size is 22.56M (0.44M free)
compressing 249.14M...done
successfully built cache file.
Cache pack file bitmaps hits: 612 for 33.48M
Cache pack file bitmaps adds/misses: 580 for 101.19M
Cache pack file sounds hits: 430 for 7.49M
Cache pack file sounds adds/misses: 2530 for 54.15M
Cache pack file loc hits: 52 for 0.11M
Cache pack file loc adds/misses: 13 for 0.01M

D:\Archivos de programa\Microsoft Games\Halo Custom Edition2>

If you want to open it, why did you build a cache file?