diff --git a/lib/core/settings.py b/lib/core/settings.py
index 4799bcf4e..c909f5b96 100644
--- a/lib/core/settings.py
+++ b/lib/core/settings.py
@@ -19,7 +19,7 @@ from lib.core.enums import OS
 from lib.core.revision import getRevisionNumber
 
 # sqlmap version (<major>.<minor>.<month>.<monthly commit>)
-VERSION = "1.0.4.20"
+VERSION = "1.0.4.21"
 REVISION = getRevisionNumber()
 STABLE = VERSION.count('.') <= 2
 VERSION_STRING = "sqlmap/%s#%s" % (VERSION, "stable" if STABLE else "dev")
diff --git a/xml/errors.xml b/xml/errors.xml
index ecb6de0e8..bc16a43bd 100644
--- a/xml/errors.xml
+++ b/xml/errors.xml
@@ -7,6 +7,7 @@
         <error regexp="Warning.*mysql_.*"/>
         <error regexp="MySqlException \(0x"/>
         <error regexp="valid MySQL result"/>
+        <error regexp="check the manual that corresponds to your MySQL server version"/>
         <error regexp="MySqlClient\."/>
         <error regexp="com\.mysql\.jdbc\.exceptions"/>
     </dbms>