diff --git a/debug.lua b/debug.lua
new file mode 100644
index 0000000..e357c47
--- /dev/null
+++ b/debug.lua
@@ -0,0 +1,34 @@
+local function gather_info()
+    local locals = {}
+    local index = 1
+    while true do
+        local name, value = debug.getlocal(2, index)
+        if not name then break end
+        table.insert(locals, {name, value})
+        index = index + 1
+    end
+    local upvalues = {}
+    local func = debug.getinfo(2).func
+    local envs = getfenv(func)
+    index = 1
+    while true do
+        local name, value = debug.getupvalue(func, index)
+        if not name then break end
+        table.insert(upvalues, {name, value})
+        index = index + 1
+    end
+    return {
+        locals = locals,
+        upvalues = upvalues,
+        [envs == _G and "globals" or "envs"] = envs
+    }
+end
+
+local c = 3
+function test()
+    local a = 1
+    b = 2
+    error(gather_info().upvalues[1][1])
+end
+
+test()
\ No newline at end of file
diff --git a/schema.lua b/schema.lua
index b378498..fdb610e 100644
--- a/schema.lua
+++ b/schema.lua
@@ -258,6 +258,16 @@ function load(self, override, params)
 			assert(self.nan or override == override, "nan")
 		end
 	elseif self.type == "table" then
+		if self.keys then
+			for key, value in pairs(override) do
+				override[load(self.keys, key, params)], override[key] = value, nil
+			end
+		end
+		if self.values then
+			for key, value in pairs(override) do
+				override[key] = load(self.values, value, params)
+			end
+		end
 		if self.entries then
 			for key, schema in pairs(self.entries) do
 				if schema.required and override[key] == nil then
@@ -273,16 +283,6 @@ function load(self, override, params)
 				end
 			end
 		end
-		if self.keys then
-			for key, value in pairs(override) do
-				override[load(self.keys, key, params)], override[key] = value, nil
-			end
-		end
-		if self.values then
-			for key, value in pairs(override) do
-				override[key] = load(self.values, value, params)
-			end
-		end
 		assert((not self.list) or modlib.table.count(override) == #override, "list")
 	else
 		assert((not self.values) or self.values[override], "values")