1 files changed, 5 insertions, 0 deletions
diff --git a/src/jcgp/JCGP.java b/src/jcgp/JCGP.java
index be09b4a..aa3b647 100644
--- a/src/jcgp/JCGP.java
+++ b/src/jcgp/JCGP.java
@@ -479,6 +479,11 @@ public class JCGP {
 	public void reset() {
 		finished = false;
 		statistics = new StatisticsLogger();
+		resources.setArity(problem.getFunctionSet().getMaxArity());
+		if (resources.arity() < 1) {
+			resources.println("[CGP] Error: arity is smaller than 1. Check that at least one function is enabled");
+			return;
+		}
 		population = new Population(resources);
 		resetStatisticsValues();
 		resources.setCurrentGeneration(1);