Solver: RubarBE: Add RubarBE at solvers and fix export.

src/Model/Geometry/Reach.py

@@ -365,10 +365,14 @@ class Reach(SQLSubModel):
             return 0.0
 
     def inter_profiles_kp(self):
-        res_kp = [self.profile(0).kp]
+        profiles = sorted(self.profiles, key=lambda p: p.kp)
+        first = profiles[0]
+        last = profiles[-1]
 
-        profiles = iter(self.profiles)
-        previous = next(profile)
+        res_kp = [first.kp]
+
+        profiles = iter(profiles)
+        previous = next(profiles)
 
         for profile in profiles:
             prev = previous.kp
@@ -381,7 +385,7 @@ class Reach(SQLSubModel):
 
             previous = profile
 
-        res_kp.append(self.profile(len(self) - 1).kp)
+        res_kp.append(last.kp)
         return res_kp
 
     # Sediment Layers