diff --git a/Python/v2/ErrorsManager.py b/Python/v2/ErrorsManager.py
new file mode 100644
index 0000000..2fd640b
--- /dev/null
+++ b/Python/v2/ErrorsManager.py
@@ -0,0 +1,193 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+from typing import Self, Any, Optional, Sequence
+from math import log2
+from re import compile as re_compile, Pattern as REPattern, IGNORECASE as RE_IGNORE_CASE
+
+class ErrorsManager:
+
+    RE_KEY:REPattern = re_compile(r'^[a-z_][a-z0-9_]*$', RE_IGNORE_CASE)
+
+    def __init__(self:Self, inputs:Optional[str|dict[str, Any|None]|Sequence[Any|None]] = None) -> None:
+
+        alphabet:str|Sequence[str] = self.unique(self.get_value("alphabet", (
+            inputs := {"alphabet" : inputs} if isinstance(inputs, str) else 
+        inputs), "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="))
+        maximum_base:int = int(log2(len(alphabet)))
+
+        self.__alphabet:tuple[str] = (
+            tuple(alphabet) if isinstance(alphabet, (list, str)) else 
+        alphabet)
+        self.__alphabet_dictionary:dict[str, int] = {character : i for i, character in enumerate(self.__alphabet)}
+        self.__base:int = self.get_value("base", inputs, maximum_base)
+        self.__mask:int
+
+        if self.__base > maximum_base:
+            self.__base = maximum_base
+        self.__mask = ~-(1 << self.__base)
+
+        print([self.__mask, self.__base, self.__alphabet])
+
+    def to_string(self:Self, code:str|int|Sequence[int]) -> str:
+        if isinstance(code, str):
+            return code
+        if isinstance(code, (list, tuple)):
+            return "".join([self.__alphabet[hexa] for hexa in code])
+        if isinstance(code, int):
+
+            string:str = ""
+            
+            while code:
+                string = self.__alphabet[code & self.__mask] + string
+                code >>= self.__base
+
+            return string
+        return ""
+    
+    def to_integer(self:Self, code:str|int|Sequence[int]) -> int:
+        if isinstance(code, str):
+
+            integer:int = 0
+            hexa:str
+
+            for i, hexa in enumerate(reversed(code)):
+                integer |= self.__alphabet_dictionary[hexa] << self.__base * i
+
+            return integer
+        if isinstance(code, (list, tuple)):
+
+            integer:int = 0
+            hexa:int
+
+            for i, hexa in enumerate(reversed(code)):
+                integer |= hexa << self.__base * i
+
+            return integer
+        if isinstance(code, int):
+            return code
+        return 0
+    
+    def to_array(self:Self, code:str|int|Sequence[int]) -> list[int]:
+        if isinstance(code, str):
+            return [self.__alphabet_dictionary[hexa] for hexa in code]
+        if isinstance(code, list):
+            return list(code)
+        if isinstance(code, tuple):
+            return code
+        if isinstance(code, int):
+            
+            array:list[int] = []
+
+            while code:
+                array.append(code & self.__mask)
+                code >>= self.__base
+
+            return list(reversed(array))
+        return []
+
+    def reset(self:Self, code:int, start:int, length:int) -> int:
+        return code and (code & ~(~-(1 << length) << start))
+
+    def set(self:Self, code:int, map:Sequence[int], codes:Sequence[int], start:int = 0, clean_bits:int = 0) -> int:
+
+        new_code:int = 0
+        shift:int = 0
+        block:int
+        i:int
+
+        code = self.reset(code, start, clean_bits)
+
+        for i, block in enumerate(map):
+            new_code |= (codes[i] or (code >> start + shift & ~-(1 << block))) << shift
+            shift += block
+
+        return (
+            (code & ~-(1 << start)) | 
+            (new_code << start) | 
+            # ((code >> start + shift) << start + shift)
+            (code & ~(~-(1 << start + shift)))
+        )
+    
+    def validate(self:Self, 
+        code:int, 
+        map:Sequence[int], 
+        messages:Sequence[Sequence[str]] = []
+    ) -> tuple[tuple[int, str]]:
+
+        errors:list[tuple[int, str]] = []
+
+        if code:
+
+            shift:int = 0
+            l:int = len(messages)
+            i:int
+            block:int
+
+            for i, block in enumerate(map):
+
+                subcode:int = (code >> shift) & ~-(1 << block)
+
+                shift += block
+                subcode and errors.append((i, (
+                    messages[i][subcode - 1] if i < l and subcode - 1 < len(messages[i]) else 
+                "error_" + str(i) + "_" + str(subcode))))
+
+        return len(errors) != 0, tuple(errors)
+    
+    @classmethod
+    def get_keys(cls:type[Self], *items:Sequence[Any|None]) -> list[str]:
+
+        keys:list[str] = []
+        item:Any|None
+
+        for item in items:
+            if isinstance(item, str):
+                cls.RE_KEY.match(item) and keys.append(item)
+            elif isinstance(item, (list, tuple)):
+                keys.extend(cls.get_keys(*item))
+
+        return keys
+    
+    @classmethod
+    def get_dictionaries(cls:type[Self], *items:Sequence[Any|None]) -> list[dict[str, Any|None]]:
+
+        dictionaries:list[str] = []
+        item:Any|None
+
+        for item in items:
+            if isinstance(item, dict):
+                dictionaries.append(item)
+            elif isinstance(item, (list, tuple)):
+                dictionaries.extend(cls.get_dictionaries(*item))
+
+        return dictionaries
+    
+    @classmethod
+    def get_value(cls:type[Self], 
+        keys:str|Sequence[str], 
+        inputs:dict[str, Any|None]|Sequence[Any|None], 
+        default:Optional[Any] = None
+    ) -> Any|None:
+        if len(keys := cls.get_keys(keys)):
+
+            subinputs:dict[str, Any|None]
+
+            for subinputs in cls.get_dictionaries(inputs):
+
+                key:str
+
+                for key in keys:
+                    if key in subinputs:
+                        return subinputs[key]
+        return default
+    
+    @staticmethod
+    def unique(items:str|Sequence[Any|None]) -> str|Sequence[Any|None]:
+        if isinstance(items, str):
+            return "".join(character for i, character in enumerate(items) if items.index(character) == i)
+        if isinstance(items, tuple):
+            return tuple(item for i, item in enumerate(items) if items.index(item) == i)
+        if isinstance(items, list):
+            return [item for i, item in enumerate(items) if items.index(item) == i]
+        return items
\ No newline at end of file
diff --git a/Python/v2/tests.py b/Python/v2/tests.py
new file mode 100644
index 0000000..2e1579a
--- /dev/null
+++ b/Python/v2/tests.py
@@ -0,0 +1,48 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+from ErrorsManager import ErrorsManager
+
+class Tests:
+
+    @staticmethod
+    def builder() -> None:
+        print(ErrorsManager())
+
+    @staticmethod
+    def conversions() -> None:
+
+        option:str|int|list[int]
+        errors:ErrorsManager = ErrorsManager()
+
+        for option in (
+            "Hola", 923452, [45, 2, 0, 12]
+        ):
+            
+            string:str = errors.to_string(option)
+            integer:int = errors.to_integer(option)
+            array:list[int] = errors.to_array(option)
+
+            print(option)
+            print(["T", {
+                "s" : string, 
+                "i" : integer, 
+                "a" : array
+            }])
+            print(["S", {
+                "s" : errors.to_string(string), 
+                "i" : errors.to_integer(string), 
+                "a" : errors.to_array(string)
+            }])
+            print(["I", {
+                "s" : errors.to_string(integer), 
+                "i" : errors.to_integer(integer), 
+                "a" : errors.to_array(integer)
+            }])
+            print(["A", {
+                "s" : errors.to_string(array), 
+                "i" : errors.to_integer(array), 
+                "a" : errors.to_array(array)
+            }])
+
+Tests.conversions()
\ No newline at end of file
diff --git a/version b/version
index c8bdd68..340ff46 100644
--- a/version
+++ b/version
@@ -1 +1 @@
-0.0.1.29
\ No newline at end of file
+0.0.2.1
\ No newline at end of file