private void addDerivedFromRelation(final ArtifactTypeDefinition artifactType) {
final String derivedFrom = artifactType.getDerivedFrom();
final String artifactId = artifactType.getUniqueId();
- if (derivedFrom.isEmpty()) {
+ if (derivedFrom == null || derivedFrom.isEmpty()) {
return;
}
final var getArtifactTypeOptional = getLatestArtifactTypeByType(derivedFrom, artifactType.getModel());