diff --git a/lib/core/settings.py b/lib/core/settings.py
index e5b785038..246017fbf 100644
--- a/lib/core/settings.py
+++ b/lib/core/settings.py
@@ -19,7 +19,7 @@ from lib.core.enums import DBMS_DIRECTORY_NAME
 from lib.core.enums import OS
 
 # sqlmap version (<major>.<minor>.<month>.<monthly commit>)
-VERSION = "1.1.11.11"
+VERSION = "1.1.11.12"
 TYPE = "dev" if VERSION.count('.') > 2 and VERSION.split('.')[-1] != '0' else "stable"
 TYPE_COLORS = {"dev": 33, "stable": 90, "pip": 34}
 VERSION_STRING = "sqlmap/%s#%s" % ('.'.join(VERSION.split('.')[:-1]) if VERSION.count('.') > 2 and VERSION.split('.')[-1] == '0' else VERSION, TYPE)
diff --git a/sqlmap.py b/sqlmap.py
index a85fd24f1..996b96e00 100755
--- a/sqlmap.py
+++ b/sqlmap.py
@@ -262,6 +262,12 @@ def main():
                 logger.error(errMsg)
                 raise SystemExit
 
+            elif "twophase" in excMsg:
+                errMsg = "please update the 'sqlalchemy' package"
+                errMsg += "(Reference: https://github.com/apache/incubator-superset/issues/3447)"
+                logger.error(errMsg)
+                raise SystemExit
+
             elif "can't start new thread" in excMsg:
                 errMsg = "there has been a problem while creating new thread instance. "
                 errMsg += "Please make sure that you are not running too many processes"
diff --git a/txt/checksum.md5 b/txt/checksum.md5
index 7a356fecf..295efdb9d 100644
--- a/txt/checksum.md5
+++ b/txt/checksum.md5
@@ -46,7 +46,7 @@ ec6a778b0e74749b916caead78ba88b7  lib/core/option.py
 760d9df2a27ded29109b390ab202e72d  lib/core/replication.py
 a2466b62e67f8b31736bac4dac590e51  lib/core/revision.py
 02d4762140a72fd44668d3dab5eabda9  lib/core/session.py
-46a305e088cbea3eee04d63af5ff6d24  lib/core/settings.py
+75b8d904c61a7d765082d68b320f30ef  lib/core/settings.py
 35bffbad762eb9e03db9e93b1c991103  lib/core/shell.py
 a59ec28371ae067a6fdd8f810edbee3d  lib/core/subprocessng.py
 7c9f2af3c0a8dd89223cfe07b0a0b826  lib/core/target.py
@@ -224,7 +224,7 @@ c3cc8b7727161e64ab59f312c33b541a  shell/stager.aspx_
 1f7f125f30e0e800beb21e2ebbab18e1  shell/stager.jsp_
 01e3505e796edf19aad6a996101c81c9  shell/stager.php_
 c737efc0afe782c5dcfec9d27e827515  sqlmapapi.py
-e1741dbdee31788ee93dea911faa4ebe  sqlmap.py
+90c21cbd007b72eb8b840b11dcaf6f8c  sqlmap.py
 ba9bb7b0fbfbd408c24bc99b3c8f0fd9  tamper/apostrophemask.py
 aa046ea026a3c72b714e726a2e775cd4  tamper/apostrophenullencode.py
 0418d808878bf7cac4a28350116e64d0  tamper/appendnullbyte.py