diff --git a/inspector-vc/src/main/java/org/oneedtech/inspect/vc/probe/ExpirationVerifierProbe.java b/inspector-vc/src/main/java/org/oneedtech/inspect/vc/probe/ExpirationVerifierProbe.java
index 8fab94e..3660651 100644
--- a/inspector-vc/src/main/java/org/oneedtech/inspect/vc/probe/ExpirationVerifierProbe.java
+++ b/inspector-vc/src/main/java/org/oneedtech/inspect/vc/probe/ExpirationVerifierProbe.java
@@ -25,7 +25,6 @@ public class ExpirationVerifierProbe extends Probe<Credential> {
 		 *  If the AchievementCredential or EndorsementCredential has an “expirationDate” property 
 		 *	and the expiration date is prior to the current date, the credential has expired. 
 		 */		
-		System.err.println("ExpirationVerifierProbe");
 		JsonNode node = crd.getJson().get("expirationDate");
 		if(node != null) {
 			try {
diff --git a/inspector-vc/src/test/java/org/oneedtech/inspect/vc/OB30Tests.java b/inspector-vc/src/test/java/org/oneedtech/inspect/vc/OB30Tests.java
index 079a28c..6b843e6 100644
--- a/inspector-vc/src/test/java/org/oneedtech/inspect/vc/OB30Tests.java
+++ b/inspector-vc/src/test/java/org/oneedtech/inspect/vc/OB30Tests.java
@@ -7,6 +7,7 @@ import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 import org.oneedtech.inspect.core.Inspector.Behavior;
+import org.oneedtech.inspect.core.probe.json.JsonSchemaProbe;
 import org.oneedtech.inspect.core.report.Report;
 import org.oneedtech.inspect.test.PrintHelper;
 import org.oneedtech.inspect.vc.probe.ExpirationVerifierProbe;
@@ -108,6 +109,17 @@ public class OB30Tests {
 		});	
 	}
 	
+	@Test
+	void testSimpleJsonSchemaError() throws Exception {
+		//issuer removed
+		assertDoesNotThrow(()->{
+			Report report = validator.run(Samples.OB30.JSON.SIMPLE_JSON_ISSUER.asFileResource());
+			if(verbose) PrintHelper.print(report, true);
+			assertInvalid(report);
+			assertHasProbeID(report, JsonSchemaProbe.ID, true);			
+		});	
+	}
+	
 	@Disabled //TODO IssuanceVerifierProbe is not run because FATAL: InvalidSignature terminates
 	@Test
 	void testSimpleJsonNotIssued() {
diff --git a/inspector-vc/src/test/java/org/oneedtech/inspect/vc/Samples.java b/inspector-vc/src/test/java/org/oneedtech/inspect/vc/Samples.java
index 1e08b0d..b0904bc 100644
--- a/inspector-vc/src/test/java/org/oneedtech/inspect/vc/Samples.java
+++ b/inspector-vc/src/test/java/org/oneedtech/inspect/vc/Samples.java
@@ -16,6 +16,7 @@ public class Samples {
 			public final static Sample SIMPLE_JSON_PROOF_ERROR = new Sample("ob30/simple-proof-error.json", false);
 			public final static Sample SIMPLE_JSON_EXPIRED = new Sample("ob30/simple-expired.json", false);
 			public final static Sample SIMPLE_JSON_ISSUED = new Sample("ob30/simple-issued.json", false);
+			public final static Sample SIMPLE_JSON_ISSUER = new Sample("ob30/simple-issuer.json", false);
 		}
 		public static final class PNG {			
 			public final static Sample SIMPLE_JWT_PNG = new Sample("ob30/simple-jwt.png", true);
diff --git a/inspector-vc/src/test/resources/ob30/simple-issuer.json b/inspector-vc/src/test/resources/ob30/simple-issuer.json
new file mode 100644
index 0000000..2e988ea
--- /dev/null
+++ b/inspector-vc/src/test/resources/ob30/simple-issuer.json
@@ -0,0 +1,29 @@
+{
+  "@context": [
+    "https://www.w3.org/2018/credentials/v1",
+    "https://imsglobal.github.io/openbadges-specification/context.json",
+    "https://w3id.org/security/suites/ed25519-2020/v1"
+  ],
+  "id": "http://example.edu/credentials/3732",
+  "type": [
+    "VerifiableCredential",
+    "OpenBadgeCredential"
+  ],
+  "issuanceDate": "2010-01-01T00:00:00Z",
+  "name": "Example University Degree",
+  "credentialSubject": {
+    "id": "did:example:ebfeb1f712ebc6f1c276e12ec21",
+    "type": [
+      "AchievementSubject"
+    ]
+  },
+  "proof": [
+    {
+      "type": "Ed25519Signature2020",
+      "created": "2022-06-28T16:28:36Z",
+      "verificationMethod": "did:key:z6MkkUD3J14nkYzn46QeuaVSnp7dF85QJKwKvJvfsjx79aXj",
+      "proofPurpose": "assertionMethod",
+      "proofValue": "z3MUt2ZuU8Byqivxh6GphEM65AFYyNaGYibm97xLTafM7uGufZQLKvJR8itZwxKskvtFM3CUty46v26DZidMNoQnM"
+    }
+  ]
+}
\ No newline at end of file