diff --git a/LeStorage/ApiCallCollection.swift b/LeStorage/ApiCallCollection.swift
index 6d7adf8..b132a62 100644
--- a/LeStorage/ApiCallCollection.swift
+++ b/LeStorage/ApiCallCollection.swift
@@ -19,8 +19,15 @@ protocol SomeCallCollection {
 
 }
 
-enum ApiCallError: Error {
-    case cantCreateCall
+enum ApiCallError: Error, LocalizedError {
+    case encodingError(id: String, type: String)
+    
+    var errorDescription: String? {
+        switch self {
+        case .encodingError(let id, let type):
+            return "Can't encode instance \(type) with id: \(id)"
+        }
+    }
 }
 
 /// ApiCallCollection is an object communicating with a server to synchronize data managed locally
@@ -236,7 +243,7 @@ actor ApiCallCollection<T: Storable>: SomeCallCollection {
             return ApiCall(method: method, dataId: instance.stringId, body: jsonString)
         } catch {
             StoreCenter.main.log(message: "call could not be created for \(T.resourceName()): \(error.localizedDescription)")
-            throw ApiCallError.cantCreateCall
+            throw ApiCallError.encodingError(id: instance.stringId, type: T.resourceName())
         }
     }
 
diff --git a/LeStorage/Services.swift b/LeStorage/Services.swift
index d6df69c..a52e38a 100644
--- a/LeStorage/Services.swift
+++ b/LeStorage/Services.swift
@@ -436,7 +436,7 @@ public class Services {
     ///  - password: the account's password
     public func deleteAccount() async throws  {
         guard let userId = StoreCenter.main.userId else {
-            throw ServiceError.missingUserId
+            throw StoreError.missingUserId
         }
         let path = "users/\(userId)/"
         let deleteAccount = ServiceCall(path: path, method: .delete, requiresToken: true)
diff --git a/LeStorage/Store.swift b/LeStorage/Store.swift
index 2bbca5b..f023778 100644
--- a/LeStorage/Store.swift
+++ b/LeStorage/Store.swift
@@ -8,13 +8,25 @@
 import Foundation
 import UIKit
 
-public enum StoreError: Error {
+public enum StoreError: Error, LocalizedError {
     case missingService
     case missingUserId
-    case unexpectedCollectionType(name: String)
-    case apiCallCollectionNotRegistered(type: String)
     case collectionNotRegistered(type: String)
     case cannotSyncCollection(name: String)
+    
+    public var errorDescription: String? {
+        switch self {
+        case .missingService:
+            return "Services instance is nil"
+        case .missingUserId:
+            return "The user id is missing"
+        case .collectionNotRegistered(let type):
+            return "The collection \(type) is not registered"
+        case .cannotSyncCollection(let name):
+            return "Tries to load the collection \(name) from the server while it's not authorized"
+        }
+    }
+    
 }
 
 public struct StoreIdentifier {
diff --git a/LeStorage/StoredCollection.swift b/LeStorage/StoredCollection.swift
index 849b493..4c6165d 100644
--- a/LeStorage/StoredCollection.swift
+++ b/LeStorage/StoredCollection.swift
@@ -7,12 +7,6 @@
 
 import Foundation
 
-enum StoredCollectionError: Error {
-    case unmanagedHTTPMethod(method: String)
-    case missingApiCallCollection
-    case missingInstance
-}
-
 protocol CollectionHolder {
     associatedtype Item
     
diff --git a/LeStorage/Utils/Errors.swift b/LeStorage/Utils/Errors.swift
index 2eb0d9f..492fd86 100644
--- a/LeStorage/Utils/Errors.swift
+++ b/LeStorage/Utils/Errors.swift
@@ -20,14 +20,33 @@ public class ErrorUtils {
     
 }
 
-public enum ServiceError: Error {
+public enum ServiceError: Error, LocalizedError {
     case urlCreationError(url: String)
     case cantConvertToUUID(id: String)
     case missingUserName
-    case missingUserId
     case responseError(response: String)
+    
+    public var errorDescription: String? {
+        switch self {
+        case .urlCreationError(let url):
+            return "Can't create URL from \(url)"
+        case .cantConvertToUUID(let id):
+            return "Cant convert \(id) to UUID"
+        case .missingUserName:
+            return "There is no userName defined in the Settings"
+        case .responseError(let response):
+            return "The server returned an error: \(response)"
+        }
+    }
 }
 
-public enum UUIDError: Error {
+public enum UUIDError: Error, LocalizedError {
     case cantConvertString(string: String)
+    
+    public var errorDescription: String? {
+        switch self {
+        case .cantConvertString(let string):
+            return "cant convert string to UUID: \(string)"
+        }
+    }
 }
diff --git a/LeStorage/Utils/FileUtils.swift b/LeStorage/Utils/FileUtils.swift
index 5edf902..c906ab4 100644
--- a/LeStorage/Utils/FileUtils.swift
+++ b/LeStorage/Utils/FileUtils.swift
@@ -7,8 +7,15 @@
 
 import Foundation
 
-enum FileError : Error {
+enum FileError: Error, LocalizedError {
     case documentDirectoryNotFound
+    
+    var errorDescription: String? {
+        switch self {
+        case .documentDirectoryNotFound:
+            return "The document directory has not been found"
+        }
+    }
 }
 
 class FileUtils {
diff --git a/LeStorage/Utils/KeychainStore.swift b/LeStorage/Utils/KeychainStore.swift
index 0f43c57..7e650b6 100644
--- a/LeStorage/Utils/KeychainStore.swift
+++ b/LeStorage/Utils/KeychainStore.swift
@@ -11,6 +11,17 @@ enum KeychainError: Error {
     case keychainItemNotFound(serverId: String)
     case unexpectedPasswordData
     case unhandledError(status: OSStatus)
+    
+    var errorDescription: String? {
+        switch self {
+        case .keychainItemNotFound(let serverId):
+            return "The keychainItem was not found: \(serverId)"
+        case .unexpectedPasswordData:
+            return "Keychain error: The data could not be converted to string"
+        case .unhandledError(let status):
+            return "Keychain error: Unmanaged status: \(status)"
+        }
+    }
 }
 
 class KeychainStore {