diff --git a/src/obiconvert.py b/src/obiconvert.py
index bbfb786..5965866 100644
--- a/src/obiconvert.py
+++ b/src/obiconvert.py
@@ -47,7 +47,7 @@ if __name__ == '__main__':
             try:
                 writer(entry)
             except:
-                print >>stderr,"Skip writing of sequence : %s" % entry.id
+                print >>stderr,"Skipping an entry"
         else:
             writer(entry)
             
diff --git a/src/obitaxonomy.py b/src/obitaxonomy.py
index 3f96362..cf25f58 100644
--- a/src/obitaxonomy.py
+++ b/src/obitaxonomy.py
@@ -331,7 +331,7 @@ if __name__ == '__main__':
         
     for t in options.newspecies:
         genus,species = t.split(" ",1)
-        parent = options.taxonomy.findTaxonByName(genus)
+        parent = options.taxonomy.findTaxonByName(genus)[0]
         taxid = options.taxonomy.addLocalTaxon(t,'species',parent[0],options.taxashift)
         taxon = options.taxonomy.findTaxonByTaxid(taxid)
         parent= options.taxonomy._taxonomy[taxon[2]]
@@ -347,4 +347,4 @@ if __name__ == '__main__':
              
     ecoTaxonomyWriter(options.ecodb,options.taxonomy,onlyLocal=True)
 
-    
\ No newline at end of file
+    
diff --git a/src/obitools/format/sequence/__init__.py b/src/obitools/format/sequence/__init__.py
index 9c3d8eb..d83e2c0 100644
--- a/src/obitools/format/sequence/__init__.py
+++ b/src/obitools/format/sequence/__init__.py
@@ -14,7 +14,6 @@ def skipOnErrorIterator(seqIterator):
                 seq = si.next()
                 yield seq
             except Exception,e:
-                print >>sys.stderr,"coucou"
                 if isinstance(e,StopIteration):
                     raise e
                 else:
diff --git a/src/obitools/seqdb/embl/parser.py b/src/obitools/seqdb/embl/parser.py
index b90278f..f12ef3b 100644
--- a/src/obitools/seqdb/embl/parser.py
+++ b/src/obitools/seqdb/embl/parser.py
@@ -29,20 +29,24 @@ def __emblparser(text):
         acs    = acs.split()
         ac     = acs[0]
         acs    = acs[1:]
-
         
         de     = _deMatcher.search(header).group()
         de     = _cleanDe.sub(' ',de).strip().strip('.')
-    except AttributeError,e:
-        print >>sys.stderr,'======================================================='
-        print >>sys.stderr,text
-        print >>sys.stderr,'======================================================='
-        raise e
+    except Exception as e:
+        print>>sys.stderr, "\nCould not import sequence id:", text.split()[1], "(error raised:", e, ")"
+        # Do not raise any Exception if you need the possibility to resume the generator
+        # (Python generators can't resume after any exception is raised)
+        return None
     
     return (ac,seq,de,header,ft,acs)
 
+
 def emblParser(text):
-    return embl.EmblSequence(*__emblparser(text))
+    parsed_text = __emblparser(text)
+    if parsed_text is not None:
+        return embl.EmblSequence(*parsed_text)
+    else:
+        return None
     
     
 def emblIterator(file):
diff --git a/src/obitools/seqdb/genbank/parser.py b/src/obitools/seqdb/genbank/parser.py
index b52fe59..f424562 100644
--- a/src/obitools/seqdb/genbank/parser.py
+++ b/src/obitools/seqdb/genbank/parser.py
@@ -25,16 +25,21 @@ def __gbparser(text):
         acs    = acs[1:]
         de     = _deMatcher.search(header).group()
         de     = _cleanDe.sub(' ',de).strip().strip('.')
-    except AttributeError,e:
-        print >>sys.stderr,'======================================================='
-        print >>sys.stderr,text
-        print >>sys.stderr,'======================================================='
-        raise e
+    except Exception as e:
+        print>>sys.stderr, "\nCould not import sequence id:", text.split()[1], "(error raised:", e, ")"
+        # Do not raise any Exception if you need the possibility to resume the generator
+        # (Python generators can't resume after any exception is raised)
+        return None
     
     return (ac,seq,de,header,ft,acs)
 
+
 def genbankParser(text):
-    return gb.GbSequence(*__gbparser(text))
+    parsed_text = __gbparser(text)
+    if parsed_text is not None:
+        return gb.GbSequence(*parsed_text)
+    else:
+        return None
     
     
 def genbankIterator(file):
@@ -43,7 +48,11 @@ def genbankIterator(file):
     
     
 def genpepParser(text):
-    return gb.GpepSequence(*__gbparser(text))
+    parsed_text = __gbparser(text)
+    if parsed_text is not None:
+        return gb.GpepSequence(*parsed_text)
+    else:
+        return None
     
     
 def genpepIterator(file):