diff --git a/dependency-reduced-pom.xml b/dependency-reduced-pom.xml
index 1eb2342e..24b67836 100644
--- a/dependency-reduced-pom.xml
+++ b/dependency-reduced-pom.xml
@@ -4,7 +4,7 @@
   <groupId>org.pamguard</groupId>
   <artifactId>Pamguard</artifactId>
   <name>Pamguard Java12+</name>
-  <version>2.02.10</version>
+  <version>2.02.10a</version>
   <description>Pamguard for Java 12+, using Maven to control dependcies</description>
   <url>www.pamguard.org</url>
   <organization>
diff --git a/pom.xml b/pom.xml
index 18731009..791baced 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.pamguard</groupId>
   <artifactId>Pamguard</artifactId>
-  <version>2.02.10</version>
+  <version>2.02.10a</version>
   <name>Pamguard Java12+</name>
   <description>Pamguard for Java 12+, using Maven to control dependcies</description>
 	<url>www.pamguard.org</url>
diff --git a/src/PamController/PamguardVersionInfo.java b/src/PamController/PamguardVersionInfo.java
index c6753329..cb03138a 100644
--- a/src/PamController/PamguardVersionInfo.java
+++ b/src/PamController/PamguardVersionInfo.java
@@ -31,7 +31,7 @@ public class PamguardVersionInfo {
 	 * Version number, major version.minorversion.sub-release.
 	 * Note: can't go higher than sub-release 'f'
 	 */
-	static public final String version = "2.02.10";
+	static public final String version = "2.02.10a";
 	
 	/**
 	 * Release date
diff --git a/src/detectiongrouplocaliser/DetectionGroupProcess.java b/src/detectiongrouplocaliser/DetectionGroupProcess.java
index 3c5158fb..587b3719 100644
--- a/src/detectiongrouplocaliser/DetectionGroupProcess.java
+++ b/src/detectiongrouplocaliser/DetectionGroupProcess.java
@@ -458,6 +458,7 @@ public class DetectionGroupProcess extends PamProcess {
 		detectionGroupDataBlock.saveViewerData();
 		int nUpdates = 0;
 		int nOK = 0;
+		int consecutiveOK = 0;
 		System.out.printf("Checking %d data units in %s ", detectionGroupDataBlock.getUnitsCount(), detectionGroupDataBlock.getDataName());
 		synchronized (detectionGroupDataBlock.getSynchLock()) {
 			ListIterator<DetectionGroupDataUnit> it = detectionGroupDataBlock.getListIterator(0);
@@ -466,11 +467,16 @@ public class DetectionGroupProcess extends PamProcess {
 				boolean ok = checkDataIntegrity(du, false);
 				if (ok) {
 					nUpdates++;
+					consecutiveOK = 0;
 				}
 				else {
 					nOK++;
+					consecutiveOK++;
 				}
 				System.out.printf(".");
+				if (consecutiveOK % 80 == 0) {
+					System.out.printf("\n");
+				}
 			}
 		}
 		System.out.printf("\n%s: %d out of %d data units required corrections\n", detectionGroupDataBlock.getDataName(), nUpdates, nUpdates+nOK);
@@ -486,7 +492,7 @@ public class DetectionGroupProcess extends PamProcess {
 		subTabLogging = detectionGroupLogging.getSubLogging();
 		PamConnection con = DBControlUnit.findConnection();
 		String desc = String.format("Detection group UID %d at %s", du.getUID(), PamCalendar.formatDBDateTime(du.getTimeMilliseconds()));
-		String idList = "( " + du.getUID() + " )";
+		String idList = "( " + du.getDatabaseIndex() + " )";
 		ArrayList<PamSubtableData> stData = subTabLogging.loadSubtableData(con, detectionGroupLogging, idList, null);
 		if (stData == null) {
 			System.out.println("Error loading sub table data for event uid " + du.getUID());
diff --git a/src/generalDatabase/SQLLogging.java b/src/generalDatabase/SQLLogging.java
index 8f8b9f84..905ee28f 100644
--- a/src/generalDatabase/SQLLogging.java
+++ b/src/generalDatabase/SQLLogging.java
@@ -2002,7 +2002,7 @@ public abstract class SQLLogging {
 	 * 
 	 * @param con database connection
 	 * @param parentLogging super detection logging instance.
-	 * @param uidList list of UID's in the parent data that have been loaded. 
+	 * @param idList list of ID's in the parent data that have been loaded. Note Id, NOT UID 
 	 * @return list of all PamSubtableData items
 	 */
 	public ArrayList<PamSubtableData> loadSubtableData(PamConnection con, SQLLogging parentLogging, String idList, ViewLoadObserver loadObserver) {
@@ -2034,6 +2034,13 @@ public abstract class SQLLogging {
 		return loadSubtableData(con, subtableResults, loadObserver);
 	}
 
+	/**
+	 * Get a sub table result set. Note that this is based on ID, not UID
+	 * @param con connection
+	 * @param parentLogging parent logging system
+	 * @param parentIdList ParentID list. Note that this is ID, not UID, <br>i.e. the query is  WHERE ParentID IN ...
+	 * @return child table result set
+	 */
 	private ResultSet createSubTableResultSet(PamConnection con, SQLLogging parentLogging,
 			String parentIdList) {
 		String clause = String.format(" WHERE ParentID IN %s ORDER BY UTC, UTCMilliseconds", parentIdList);