Update bapi-dmm to include better path error handling (#9285)

code/modules/maps/bapi-dmm/bapi_helpers.dm

@@ -43,6 +43,9 @@
 
 /proc/_bapi_new_atom(text_path, turf/crds, list/attributes)
 	var/path = text2path(text_path)
+	if(!path)
+		CRASH("Bad atom path [text_path]")
+
 	if(attributes != null)
 		world.preloader_setup(attributes, path)
 
@@ -53,6 +56,8 @@
 
 /proc/_bapi_create_or_get_area(text_path)
 	var/path = text2path(text_path)
+	if(!path)
+		CRASH("Bad area path [text_path]")
 
 	var/area/area_instance = GLOB.areas_by_type[path]
 	if(!area_instance)
@@ -73,6 +78,9 @@
 
 /proc/_bapi_create_turf(turf/crds, text_path, list/attributes, place_on_top, no_changeturf)
 	var/path = text2path(text_path)
+	if(!path)
+		CRASH("Bad turf path [text_path]")
+
 	if(attributes != null)
 		world.preloader_setup(attributes, path)
 
@@ -86,6 +94,8 @@
 		world.preloader_load(instance)
 
 /proc/_bapi_add_turf_to_area(area/A, turf/T)
+	if(!A || !T)
+		return
 	A.contents.Add(T)
 
 /proc/_bapi_helper_get_world_type_turf()