template update + warning when char state count < 2

build.xml

@@ -18,7 +18,7 @@
 	<property name="srcBeast2" location="${beast2path}/src" />
 	<property name="beast2classpath" location="${beast2path}/build" />
 	<property name="Add_on_dir" value="${release_dir}/add-on" />
-	<property name="version" value="1.0.1" />
+	<property name="version" value="1.0.2" />
 
     <import file="${beast2path}/build.xml" />
 

src/beast/app/beauti/BeautiMorphModelAlignmentProvider.java

@@ -152,6 +152,12 @@ public void processAlignment(Alignment alignment, List<BEASTInterface> filteredA
 					}
 				} else {
 					// deal with the case where there is no charStateLabel or there is no state description
+					if (nrOfStatesPresented < 2) {
+						throw new RuntimeException("Cannot determine the number of possible states for character " +
+								(i+1) + ". \n There is no character description and there are fewer than two states for " +
+								"this character in the matrix. \n Please specify the number of possible states for " +
+								"characters in CHARSTATELABELS block");
+					}
 					nrOfStates = nrOfStatesPresented;
 				}
 				if (!stateSpaceMap.containsKey(nrOfStates)) {