diff --git a/scripts/xy_grid.py b/scripts/xy_grid.py
index b2239d0a..3bb080bf 100644
--- a/scripts/xy_grid.py
+++ b/scripts/xy_grid.py
@@ -77,12 +77,26 @@ def apply_sampler(p, x, xs):
     p.sampler_index = sampler_index
 
 
+def confirm_samplers(p, xs):
+    samplers_dict = build_samplers_dict(p)
+    for x in xs:
+        if x.lower() not in samplers_dict.keys():
+            raise RuntimeError(f"Unknown sampler: {x}")
+
+
 def apply_checkpoint(p, x, xs):
     info = modules.sd_models.get_closet_checkpoint_match(x)
-    assert info is not None, f'Checkpoint for {x} not found'
+    if info is None:
+        raise RuntimeError(f"Unknown checkpoint: {x}")
     modules.sd_models.reload_model_weights(shared.sd_model, info)
 
 
+def confirm_checkpoints(p, xs):
+    for x in xs:
+        if modules.sd_models.get_closet_checkpoint_match(x) is None:
+            raise RuntimeError(f"Unknown checkpoint: {x}")
+
+
 def apply_hypernetwork(p, x, xs):
     if x.lower() in ["", "none"]:
         name = None
@@ -93,7 +107,7 @@ def apply_hypernetwork(p, x, xs):
     hypernetwork.load_hypernetwork(name)
 
 
-def confirm_hypernetworks(xs):
+def confirm_hypernetworks(p, xs):
     for x in xs:
         if x.lower() in ["", "none"]:
             continue
@@ -135,29 +149,29 @@ def str_permutations(x):
     return x
 
 
-AxisOption = namedtuple("AxisOption", ["label", "type", "apply", "format_value"])
-AxisOptionImg2Img = namedtuple("AxisOptionImg2Img", ["label", "type", "apply", "format_value"])
+AxisOption = namedtuple("AxisOption", ["label", "type", "apply", "format_value", "confirm"])
+AxisOptionImg2Img = namedtuple("AxisOptionImg2Img", ["label", "type", "apply", "format_value", "confirm"])
 
 
 axis_options = [
-    AxisOption("Nothing", str, do_nothing, format_nothing),
-    AxisOption("Seed", int, apply_field("seed"), format_value_add_label),
-    AxisOption("Var. seed", int, apply_field("subseed"), format_value_add_label),
-    AxisOption("Var. strength", float, apply_field("subseed_strength"), format_value_add_label),
-    AxisOption("Steps", int, apply_field("steps"), format_value_add_label),
-    AxisOption("CFG Scale", float, apply_field("cfg_scale"), format_value_add_label),
-    AxisOption("Prompt S/R", str, apply_prompt, format_value),
-    AxisOption("Prompt order", str_permutations, apply_order, format_value_join_list),
-    AxisOption("Sampler", str, apply_sampler, format_value),
-    AxisOption("Checkpoint name", str, apply_checkpoint, format_value),
-    AxisOption("Hypernetwork", str, apply_hypernetwork, format_value),
-    AxisOption("Sigma Churn", float, apply_field("s_churn"), format_value_add_label),
-    AxisOption("Sigma min", float, apply_field("s_tmin"), format_value_add_label),
-    AxisOption("Sigma max", float, apply_field("s_tmax"), format_value_add_label),
-    AxisOption("Sigma noise", float, apply_field("s_noise"), format_value_add_label),
-    AxisOption("Eta", float, apply_field("eta"), format_value_add_label),
-    AxisOption("Clip skip", int, apply_clip_skip, format_value_add_label),
-    AxisOptionImg2Img("Denoising", float, apply_field("denoising_strength"), format_value_add_label),  # as it is now all AxisOptionImg2Img items must go after AxisOption ones
+    AxisOption("Nothing", str, do_nothing, format_nothing, None),
+    AxisOption("Seed", int, apply_field("seed"), format_value_add_label, None),
+    AxisOption("Var. seed", int, apply_field("subseed"), format_value_add_label, None),
+    AxisOption("Var. strength", float, apply_field("subseed_strength"), format_value_add_label, None),
+    AxisOption("Steps", int, apply_field("steps"), format_value_add_label, None),
+    AxisOption("CFG Scale", float, apply_field("cfg_scale"), format_value_add_label, None),
+    AxisOption("Prompt S/R", str, apply_prompt, format_value, None),
+    AxisOption("Prompt order", str_permutations, apply_order, format_value_join_list, None),
+    AxisOption("Sampler", str, apply_sampler, format_value, confirm_samplers),
+    AxisOption("Checkpoint name", str, apply_checkpoint, format_value, confirm_checkpoints),
+    AxisOption("Hypernetwork", str, apply_hypernetwork, format_value, confirm_hypernetworks),
+    AxisOption("Sigma Churn", float, apply_field("s_churn"), format_value_add_label, None),
+    AxisOption("Sigma min", float, apply_field("s_tmin"), format_value_add_label, None),
+    AxisOption("Sigma max", float, apply_field("s_tmax"), format_value_add_label, None),
+    AxisOption("Sigma noise", float, apply_field("s_noise"), format_value_add_label, None),
+    AxisOption("Eta", float, apply_field("eta"), format_value_add_label, None),
+    AxisOption("Clip skip", int, apply_clip_skip, format_value_add_label, None),
+    AxisOptionImg2Img("Denoising", float, apply_field("denoising_strength"), format_value_add_label, None),  # as it is now all AxisOptionImg2Img items must go after AxisOption ones
 ]
 
 
@@ -283,19 +297,10 @@ class Script(scripts.Script):
                 valslist = list(permutations(valslist))
 
             valslist = [opt.type(x) for x in valslist]
-            
+
             # Confirm options are valid before starting
-            if opt.label == "Sampler":
-                samplers_dict = build_samplers_dict(p)
-                for sampler_val in valslist:
-                    if sampler_val.lower() not in samplers_dict.keys():
-                        raise RuntimeError(f"Unknown sampler: {sampler_val}")
-            elif opt.label == "Checkpoint name":
-                for ckpt_val in valslist:
-                    if modules.sd_models.get_closet_checkpoint_match(ckpt_val) is None:
-                        raise RuntimeError(f"Checkpoint for {ckpt_val} not found")
-            elif opt.label == "Hypernetwork":
-                confirm_hypernetworks(valslist)
+            if opt.confirm:
+                opt.confirm(p, valslist)
 
             return valslist