diff --git a/Snap-Tool/modules/ElasticClass.py b/Snap-Tool/modules/ElasticClass.py
index 1a31b5e..1ac2bab 100644
--- a/Snap-Tool/modules/ElasticClass.py
+++ b/Snap-Tool/modules/ElasticClass.py
@@ -31,11 +31,6 @@ class Elastic:
 	"""
 	form_dialog = None
 
-	"""
-	Property that stores the information defined in the Snap-Tool configuration file.
-	"""
-	snap_tool_conf = None
-
 	"""
 	Constructor for the Elastic class.
 
@@ -47,7 +42,6 @@ def __init__(self, form_dialog):
 		self.logger = Logger()
 		self.form_dialog = form_dialog
 		self.utils = Utils(form_dialog)
-		self.snap_tool_conf = self.utils.readYamlFile(self.utils.getPathSnapTool('conf') + '/snap_tool_conf.yaml', 'r')
 
 	"""
 	Method that creates a connection object with ElasticSearch.
@@ -67,54 +61,55 @@ def __init__(self, form_dialog):
 	"""
 	def getConnectionElastic(self):
 		conn_es = None
+		snap_tool_conf = self.utils.readYamlFile(self.utils.getPathSnapTool('conf') + '/snap_tool_conf.yaml', 'r')
 		try:
-			if(not self.snap_tool_conf['use_ssl'] == True) and (not self.snap_tool_conf['use_http_auth'] == True):
-				conn_es = Elasticsearch(self.snap_tool_conf['es_host'],
-										port = self.snap_tool_conf['es_port'],
+			if(not snap_tool_conf['use_ssl'] == True) and (not snap_tool_conf['use_http_auth'] == True):
+				conn_es = Elasticsearch(snap_tool_conf['es_host'],
+										port = snap_tool_conf['es_port'],
 										connection_class = RequestsHttpConnection,
 										use_ssl = False)
-			if(not self.snap_tool_conf['use_ssl'] == True) and self.snap_tool_conf['use_http_auth'] == True:
-				conn_es = Elasticsearch(self.snap_tool_conf['es_host'],
-										port = self.snap_tool_conf['es_port'],
+			if(not snap_tool_conf['use_ssl'] == True) and snap_tool_conf['use_http_auth'] == True:
+				conn_es = Elasticsearch(snap_tool_conf['es_host'],
+										port = snap_tool_conf['es_port'],
 										connection_class = RequestsHttpConnection,
-										http_auth = (self.utils.decryptAES(self.snap_tool_conf['http_auth_user']).decode('utf-8'), self.utils.decryptAES(self.snap_tool_conf['http_auth_pass']).decode('utf-8')),
+										http_auth = (self.utils.decryptAES(snap_tool_conf['http_auth_user']).decode('utf-8'), self.utils.decryptAES(snap_tool_conf['http_auth_pass']).decode('utf-8')),
 										use_ssl = False)
-			if self.snap_tool_conf['use_ssl'] == True and (not self.snap_tool_conf['use_http_auth'] == True):
-				if not self.snap_tool_conf['valid_certificate']:
-					conn_es = Elasticsearch(self.snap_tool_conf['es_host'],
-											port = self.snap_tool_conf['es_port'],
+			if snap_tool_conf['use_ssl'] == True and (not snap_tool_conf['use_http_auth'] == True):
+				if not snap_tool_conf['valid_certificate']:
+					conn_es = Elasticsearch(snap_tool_conf['es_host'],
+											port = snap_tool_conf['es_port'],
 											connection_class = RequestsHttpConnection,
 											use_ssl = True,
 											verify_certs = False,
 											ssl_show_warn = False)
 				else:
-					context = create_default_context(cafile = self.snap_tool_conf['path_certificate'])
-					conn_es = Elasticsearch(self.snap_tool_conf['es_host'],
-											port = self.snap_tool_conf['es_port'],
+					context = create_default_context(cafile = snap_tool_conf['path_certificate'])
+					conn_es = Elasticsearch(snap_tool_conf['es_host'],
+											port = snap_tool_conf['es_port'],
 											connection_class = RequestsHttpConnection,
 											use_ssl = True,
 											verify_certs = True,
 											ssl_context = context)
-			if self.snap_tool_conf['use_ssl'] == True and self.snap_tool_conf['use_http_auth'] == True:
-				if not self.snap_tool_conf['valid_certificate'] == True:
-					conn_es = Elasticsearch(self.snap_tool_conf['es_host'],
-											port = self.snap_tool_conf['es_port'],
+			if snap_tool_conf['use_ssl'] == True and snap_tool_conf['use_http_auth'] == True:
+				if not snap_tool_conf['valid_certificate'] == True:
+					conn_es = Elasticsearch(snap_tool_conf['es_host'],
+											port = snap_tool_conf['es_port'],
 											connection_class = RequestsHttpConnection,
-											http_auth = (self.utils.decryptAES(self.snap_tool_conf['http_auth_user']).decode('utf-8'), self.utils.decryptAES(self.snap_tool_conf['http_auth_pass']).decode('utf-8')),
+											http_auth = (self.utils.decryptAES(snap_tool_conf['http_auth_user']).decode('utf-8'), self.utils.decryptAES(snap_tool_conf['http_auth_pass']).decode('utf-8')),
 											use_ssl = True,
 											verify_certs = False,
 											ssl_show_warn = False)
 				else:
-					context = create_default_context(cafile = self.snap_tool_conf['path_certificate'])
-					conn_es = Elasticsearch(self.snap_tool_conf['es_host'],
-											port = self.snap_tool_conf['es_port'],
+					context = create_default_context(cafile = snap_tool_conf['path_certificate'])
+					conn_es = Elasticsearch(snap_tool_conf['es_host'],
+											port = snap_tool_conf['es_port'],
 											connection_class = RequestsHttpConnection,
-											http_auth = (self.utils.decryptAES(self.snap_tool_conf['http_auth_user']).decode('utf-8'), self.utils.decryptAES(self.snap_tool_conf['http_auth_pass']).decode('utf-8')),
+											http_auth = (self.utils.decryptAES(snap_tool_conf['http_auth_user']).decode('utf-8'), self.utils.decryptAES(snap_tool_conf['http_auth_pass']).decode('utf-8')),
 											use_ssl = True,
 											verify_certs = True,
 											ssl_context = context)
 			if not conn_es == None:
-				self.logger.createSnapToolLog("Established connection with: " + self.snap_tool_conf['es_host'] + ':' + str(self.snap_tool_conf['es_port']), 1)
+				self.logger.createSnapToolLog("Established connection with: " + snap_tool_conf['es_host'] + ':' + str(snap_tool_conf['es_port']), 1)
 		except (KeyError, exceptions.ConnectionError, exceptions.AuthenticationException, exceptions.AuthorizationException, InvalidURL) as exception:
 			self.logger.createSnapToolLog(exception, 3)
 			self.form_dialog.d.msgbox(text = "\nFailed to connect to ElasticSearch. For more information, see the logs.", height = 8, width = 50, title = "Error Message")
diff --git a/Snap-Tool/modules/FormClass.py b/Snap-Tool/modules/FormClass.py
index e4d493b..2e4b345 100644
--- a/Snap-Tool/modules/FormClass.py
+++ b/Snap-Tool/modules/FormClass.py
@@ -359,11 +359,11 @@ def defineConfiguration(self):
 		if not path.exists(self.configuration.conf_file):
 			opt_conf_false = self.getDataRadioList("Select a option:", options_conf_false, "Configuration Options")
 			if opt_conf_false == "Create":
-				configuration.createConfiguration()
+				self.configuration.createConfiguration()
 		else:
 			opt_conf_true = self.getDataRadioList("Select a option:", options_conf_true, "Configuration Options")
 			if opt_conf_true == "Modify":
-				configuration.updateConfiguration()
+				self.configuration.updateConfiguration()
 
 	"""
 	Method that creates a repository of type FS in ElasticSearch.
diff --git a/Snap-Tool/modules/UtilsClass.py b/Snap-Tool/modules/UtilsClass.py
index fe91a28..941b98b 100644
--- a/Snap-Tool/modules/UtilsClass.py
+++ b/Snap-Tool/modules/UtilsClass.py
@@ -77,7 +77,7 @@ def readYamlFile(self, path_file_yaml, mode):
 		try:
 			with open(path_file_yaml, mode) as file_yaml:
 				data_file_yaml = safe_load(file_yaml)
-		except IOError as exception:
+		except (IOError, FileNotFoundError) as exception:
 			self.logger.createSnapToolLog(exception, 3)
 			self.form_dialog.d.msgbox(text = "\nError opening or reading the YAML file. For more information, see the logs.", height = 8, width = 50, title = "Error Message")
 			self.form_dialog.mainMenu()
diff --git a/Snap-Tool/modules/__pycache__/ElasticClass.cpython-36.pyc b/Snap-Tool/modules/__pycache__/ElasticClass.cpython-36.pyc
index 8270de8..5784f37 100644
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diff --git a/Snap-Tool/modules/__pycache__/FormClass.cpython-36.pyc b/Snap-Tool/modules/__pycache__/FormClass.cpython-36.pyc
index 5301581..dfc1140 100644
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diff --git a/Snap-Tool/modules/__pycache__/UtilsClass.cpython-36.pyc b/Snap-Tool/modules/__pycache__/UtilsClass.cpython-36.pyc
index ca8bdb6..3dd85e6 100644
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