diff --git a/paramecio/libraries/db/extrafields/arrayfield.py b/paramecio/libraries/db/extrafields/arrayfield.py
index 03a0645..ec22984 100644
--- a/paramecio/libraries/db/extrafields/arrayfield.py
+++ b/paramecio/libraries/db/extrafields/arrayfield.py
@@ -1,9 +1,35 @@
+"""
+Parameciofm is a series of wrappers for Flask, mako and others and construct a simple headless cms.
+
+Copyright (C) 2024 Antonio de la Rosa Caballero
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+"""
+
 from paramecio.libraries.db.webmodel import PhangoField,WebModel
 import json
 
 class ArrayField(PhangoField):
+    """Field for save json arrays with determined values"""
     
     def __init__(self, name, field_type, required=False):
+        """
+        Args:
+            name (str): The name of new field
+            field_type (PhangoField): The type of PhangoField for save in ArrayField
+            required (bool): Boolean for define if field is required or not
+        """
         
         super().__init__(name, required)
         
@@ -11,7 +37,9 @@ class ArrayField(PhangoField):
         
         self.error_default='Sorry, the json array is invalid'
 
-        self.set_default='NOT NULL'
+        self.set_default=''
+        
+        self.type_sql='text'
     
     def check(self, value):
         
@@ -30,10 +58,17 @@ class ArrayField(PhangoField):
             self.error=True
             self.txt_error='Sorry, the json array is invalid'
         
+        error=0
+        
         if type(self.field_type).__name__!='ArrayField':        
             for k,v in enumerate(value):
                 
                 value[k]=self.field_type.check(v)
+                if self.field_type.error:
+                    error+=1
+        
+        if error>0:
+            self.error=True
         
         final_value=json.dumps(value)
         
@@ -43,7 +78,7 @@ class ArrayField(PhangoField):
 
     def get_type_sql(self):
 
-        return 'TEXT '+self.set_default
+        return 'JSON'
     
     def show_formatted(self, value):
         
diff --git a/paramecio/libraries/db/extrafields/colorfield.py b/paramecio/libraries/db/extrafields/colorfield.py
index 2444ee3..7c81180 100644
--- a/paramecio/libraries/db/extrafields/colorfield.py
+++ b/paramecio/libraries/db/extrafields/colorfield.py
@@ -1,7 +1,31 @@
+"""
+Parameciofm is a series of wrappers for Bottle, mako and others and construct a simple headless cms.
+
+Copyright (C) 2024 Antonio de la Rosa Caballero
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+"""
+
 from paramecio.libraries.db.corefields import IntegerField
-from paramecio.libraries.db.extraforms.colorform import ColorForm
+try:
+    from paramecio.libraries.db.extraforms.colorform import ColorForm
+except:
+    class ColorForm:
+        pass
 
 class ColorField(IntegerField):
+    """Simple field for save colors in hexadecimal format."""
 
     def __init__(self, name, size=11, required=False):
         super().__init__(name, size, required)
diff --git a/paramecio/libraries/db/extrafields/datefield.py b/paramecio/libraries/db/extrafields/datefield.py
index 54a1500..ea7f24a 100644
--- a/paramecio/libraries/db/extrafields/datefield.py
+++ b/paramecio/libraries/db/extrafields/datefield.py
@@ -1,8 +1,33 @@
+"""
+Parameciofm is a series of wrappers for Bottle, mako and others and construct a simple headless cms.
+
+Copyright (C) 2024 Antonio de la Rosa Caballero
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+"""
+
 from paramecio.libraries.db.corefields import PhangoField
 from paramecio.libraries import datetime
-from paramecio.libraries.db.extraforms.dateform import DateForm
+try:
+    from paramecio.libraries.db.extraforms.dateform import DateForm
+except:
+    
+    class DateForm:
+        pass
 
 class DateField(PhangoField):
+    """Field for use and save dates in YYYYMMDDHHSS format"""
     
     def __init__(self, name, size=255, required=False):
         
diff --git a/paramecio/libraries/db/extrafields/datetimefield.py b/paramecio/libraries/db/extrafields/datetimefield.py
index 735e401..6be3071 100644
--- a/paramecio/libraries/db/extrafields/datetimefield.py
+++ b/paramecio/libraries/db/extrafields/datetimefield.py
@@ -1,8 +1,32 @@
+"""
+Parameciofm is a series of wrappers for Bottle, mako and others and construct a simple headless cms.
+
+Copyright (C) 2024 Antonio de la Rosa Caballero
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+"""
+
 from paramecio.libraries.db.corefields import PhangoField
 from paramecio.libraries import datetime
-from paramecio.libraries.db.extraforms.dateform import DateForm
+try:
+    from paramecio.libraries.db.extraforms.dateform import DateForm
+except:
+    class DateForm:
+        pass
 
 class DateTimeField(PhangoField):
+    """Field for use and save dates in MySQL date format"""
     
     def __init__(self, name, size=255, required=False):
         
@@ -13,6 +37,8 @@ class DateTimeField(PhangoField):
         self.utc=False
         
         self.error_default='Error: Date format invalid'        
+        
+        self.type_sql='datetime'
     
     def check(self, value):
         
@@ -21,16 +47,17 @@ class DateTimeField(PhangoField):
             value=datetime.local_to_gmt(value)
         
         elif not datetime.obtain_timestamp(value):
-
+            
             self.error=True
             self.txt_error=self.error_default
-            return None
+            
+            return '0000-00-00 00:00:00'
         
         if value==False:
             
             self.error=True
             self.txt_error=self.error_default
-            return None
+            return '0000-00-00 00:00:00'
         else:
             
             """
@@ -46,14 +73,10 @@ class DateTimeField(PhangoField):
     def show_formatted(self, value):
         
         # Convert to paramecio value
-        if value!=None:
-            value=str(value)
-            value=value.replace('-', '').replace(':', '').replace(' ', '')
-            
-            return datetime.format_date(value)
-
-        else:
-            return ''
+        value=str(value)
+        value=value.replace('-', '').replace(':', '').replace(' ', '')
+        
+        return datetime.format_date(value)
 
     def get_type_sql(self):
         
@@ -61,4 +84,4 @@ class DateTimeField(PhangoField):
 
         """
 
-        return 'DATETIME NULL'
+        return 'DATETIME NOT NULL'
diff --git a/paramecio/libraries/db/extrafields/dictfield.py b/paramecio/libraries/db/extrafields/dictfield.py
index c3328e2..7c0b399 100644
--- a/paramecio/libraries/db/extrafields/dictfield.py
+++ b/paramecio/libraries/db/extrafields/dictfield.py
@@ -1,13 +1,35 @@
-from paramecio.libraries.db.webmodel import WebModel, PhangoField
+"""
+Parameciofm is a series of wrappers for Bottle, mako and others and construct a simple headless cms.
 
-try:
-    import ujson as json
-except:
-    import json
+Copyright (C) 2024 Antonio de la Rosa Caballero
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+"""
+
+from paramecio.libraries.db.webmodel import WebModel, PhangoField
+import json
 
 class DictField(PhangoField):
+    """Field for save json dicts with determined values"""
     
     def __init__(self, name, field_type, required=False):
+        """
+        Args:
+            name (str): The name of field
+            field_type (PhangoField): The type of PhangoField for save in ArrayField
+            required (bool): Boolean for define if field is required or not
+        """
         
         super().__init__(name, required)
         
@@ -16,6 +38,8 @@ class DictField(PhangoField):
         self.error_default='Sorry, the json dict is invalid'
 
         self.set_default='NOT NULL'
+        
+        self.type_sql='longtext'
     
     def check(self, value):
         
@@ -33,20 +57,25 @@ class DictField(PhangoField):
             value={}
             self.error=True
             self.txt_error=self.error_default
-            
+        error=0
         for k,v in value.items():
             
             value[k]=self.field_type.check(v)
+            if self.field_type.error:
+                    error+=1
             
         final_value=json.dumps(value)
         
+        if error>0:
+            self.error=True
+        
         #final_value=WebModel.escape_sql(final_value)
         
         return final_value
 
     def get_type_sql(self):
 
-        return 'TEXT '+self.set_default
+        return 'JSON '+self.set_default
     
     def show_formatted(self, value):
         
diff --git a/paramecio/libraries/db/extrafields/emailfield.py b/paramecio/libraries/db/extrafields/emailfield.py
index 8fc2bc7..e4368fa 100644
--- a/paramecio/libraries/db/extrafields/emailfield.py
+++ b/paramecio/libraries/db/extrafields/emailfield.py
@@ -1,9 +1,29 @@
+"""
+Parameciofm is a series of wrappers for bottle, mako and others and construct a simple headless cms.
+
+Copyright (C) 2024 Antonio de la Rosa Caballero
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+"""
+
 from paramecio.libraries.db.corefields import CharField
 import re
 
 mail_pattern=re.compile(r"\w[\w\.-]*@\w[\w\.-]+\.\w+")
 
 class EmailField(CharField):
+    """Field for save and check email addreses"""
     
     def __init__(self, name, size=1024, required=False):
         
diff --git a/paramecio/libraries/mtemplates.py b/paramecio/libraries/mtemplates.py
index 215e5c8..84f8882 100644
--- a/paramecio/libraries/mtemplates.py
+++ b/paramecio/libraries/mtemplates.py
@@ -91,7 +91,7 @@ class PTemplate:
     
     templates_loaded={}
     
-    def __init__(self, environment):
+    def __init__(self, environment, app=None):
         
         """A class used how shortcuts for Mako template functions.