catch no solutions for multibezout

Author: PBrdng

src/solve.jl

@@ -177,8 +177,10 @@ function solver_startsolutions(
                 target_parameters = target_parameters,
                 kwargs...,
             )
-            if length(starts) == 0
-                throw("The number of start solutions is zero.")
+            try
+                first(starts)
+            catch
+                throw("The number of start solutions is zero (total degree is zero).")
             end
         else
             throw(