diff --git a/dump/src/main/java/eu/dnetlib/dhp/oa/graph/dump/eosc/SparkPrepareResultProject.java b/dump/src/main/java/eu/dnetlib/dhp/oa/graph/dump/eosc/SparkPrepareResultProject.java
index 5ea3f60..03630b6 100644
--- a/dump/src/main/java/eu/dnetlib/dhp/oa/graph/dump/eosc/SparkPrepareResultProject.java
+++ b/dump/src/main/java/eu/dnetlib/dhp/oa/graph/dump/eosc/SparkPrepareResultProject.java
@@ -111,6 +111,11 @@ public class SparkPrepareResultProject implements Serializable {
 					it.forEachRemaining(c -> {
 						eu.dnetlib.dhp.schema.oaf.Project op = c._1();
 						if (!projectSet.contains(op.getId())) {
+							if (!Optional.ofNullable(op.getCode()).isPresent()
+								|| !Optional.ofNullable(op.getCode().getValue()).isPresent()) {
+								throw new RuntimeException("No project code for " + p.getId());
+							}
+
 							projList
 								.add(getProject(op, c._2));
 
diff --git a/pom.xml b/pom.xml
index 47aa521..00b5e97 100644
--- a/pom.xml
+++ b/pom.xml
@@ -102,8 +102,7 @@
         <junit-jupiter.version>5.6.1</junit-jupiter.version>
         <dhp.commons.lang.version>3.5</dhp.commons.lang.version>
         <dhp.guava.version>11.0.2</dhp.guava.version>
-<!--        <dhp-schemas.version>[2.13.2-SNAPSHOT]</dhp-schemas.version>-->
-        <dhp-schemas.version>[2.13.1-patched]</dhp-schemas.version>
+        <dhp-schemas.version>[3.17.1]</dhp-schemas.version>
     </properties>
 
 </project>
\ No newline at end of file