Index: lams_tool_assessment/src/java/org/lamsfoundation/lams/tool/assessment/model/Assessment.java
===================================================================
diff -u -r66bda55b4291ff10c230b0ab5227dab5fa058a8a -r6fc452ae5cdbca9476f14a97ddc933a23fd8776a
--- lams_tool_assessment/src/java/org/lamsfoundation/lams/tool/assessment/model/Assessment.java	(.../Assessment.java)	(revision 66bda55b4291ff10c230b0ab5227dab5fa058a8a)
+++ lams_tool_assessment/src/java/org/lamsfoundation/lams/tool/assessment/model/Assessment.java	(.../Assessment.java)	(revision 6fc452ae5cdbca9476f14a97ddc933a23fd8776a)
@@ -223,7 +223,7 @@
 	try {
 	    assessment = (Assessment) super.clone();
 	    assessment.setUid(null);
-
+	    
 	    // clone questions
 	    if (questions != null) {
 		Iterator<AssessmentQuestion> iter = questions.iterator();
@@ -276,7 +276,8 @@
 	    if (createdBy != null) {
 		assessment.setCreatedBy((AssessmentUser) createdBy.clone());
 	    }
-
+	    
+	    assessment.setAbsoluteTimeLimit(null);
 	    assessment.setTimeLimitAdjustments(new HashMap<>(this.getTimeLimitAdjustments()));
 	} catch (CloneNotSupportedException e) {
 	    log.error("When clone " + Assessment.class + " failed");
Index: lams_tool_doku/src/java/org/lamsfoundation/lams/tool/dokumaran/model/Dokumaran.java
===================================================================
diff -u -r4a6be45d5c1bbf95b3441d7e152dcb94b52284c1 -r6fc452ae5cdbca9476f14a97ddc933a23fd8776a
--- lams_tool_doku/src/java/org/lamsfoundation/lams/tool/dokumaran/model/Dokumaran.java	(.../Dokumaran.java)	(revision 4a6be45d5c1bbf95b3441d7e152dcb94b52284c1)
+++ lams_tool_doku/src/java/org/lamsfoundation/lams/tool/dokumaran/model/Dokumaran.java	(.../Dokumaran.java)	(revision 6fc452ae5cdbca9476f14a97ddc933a23fd8776a)
@@ -178,6 +178,7 @@
 	    Dokumaran.log.error("When clone " + Dokumaran.class + " failed");
 	}
 
+	dokumaran.setAbsoluteTimeLimit(null);
 	dokumaran.setTimeLimitAdjustments(new HashMap<>(this.getTimeLimitAdjustments()));
 
 	return dokumaran;
Index: lams_tool_scratchie/src/java/org/lamsfoundation/lams/tool/scratchie/model/Scratchie.java
===================================================================
diff -u -r66bda55b4291ff10c230b0ab5227dab5fa058a8a -r6fc452ae5cdbca9476f14a97ddc933a23fd8776a
--- lams_tool_scratchie/src/java/org/lamsfoundation/lams/tool/scratchie/model/Scratchie.java	(.../Scratchie.java)	(revision 66bda55b4291ff10c230b0ab5227dab5fa058a8a)
+++ lams_tool_scratchie/src/java/org/lamsfoundation/lams/tool/scratchie/model/Scratchie.java	(.../Scratchie.java)	(revision 6fc452ae5cdbca9476f14a97ddc933a23fd8776a)
@@ -42,8 +42,6 @@
 import org.apache.commons.lang.builder.EqualsBuilder;
 import org.apache.commons.lang.builder.HashCodeBuilder;
 import org.apache.log4j.Logger;
-import org.hibernate.annotations.Cache;
-import org.hibernate.annotations.CacheConcurrencyStrategy;
 import org.hibernate.annotations.SortComparator;
 import org.lamsfoundation.lams.qb.model.QbToolQuestion;
 
@@ -153,6 +151,7 @@
 	try {
 	    scratchie = (Scratchie) super.clone();
 	    scratchie.setUid(null);
+	    scratchie.setAbsoluteTimeLimit(null);
 	    if (scratchieItems != null) {
 		Iterator<ScratchieItem> iter = scratchieItems.iterator();
 		Set<ScratchieItem> set = new TreeSet<>();
@@ -164,6 +163,8 @@
 		}
 		scratchie.scratchieItems = set;
 	    }
+
+	    scratchie.setAbsoluteTimeLimit(null);
 	} catch (CloneNotSupportedException e) {
 	    log.error("When clone " + Scratchie.class + " failed");
 	}
Index: lams_tool_whiteboard/src/java/org/lamsfoundation/lams/tool/whiteboard/model/Whiteboard.java
===================================================================
diff -u -rfc1e0b9d9e66313d54b4f1fad291a8e9d0054767 -r6fc452ae5cdbca9476f14a97ddc933a23fd8776a
--- lams_tool_whiteboard/src/java/org/lamsfoundation/lams/tool/whiteboard/model/Whiteboard.java	(.../Whiteboard.java)	(revision fc1e0b9d9e66313d54b4f1fad291a8e9d0054767)
+++ lams_tool_whiteboard/src/java/org/lamsfoundation/lams/tool/whiteboard/model/Whiteboard.java	(.../Whiteboard.java)	(revision 6fc452ae5cdbca9476f14a97ddc933a23fd8776a)
@@ -157,6 +157,7 @@
 	    Whiteboard.log.error("When clone " + Whiteboard.class + " failed");
 	}
 
+	whiteboard.setAbsoluteTimeLimit(null);
 	whiteboard.setTimeLimitAdjustments(new HashMap<>(this.getTimeLimitAdjustments()));
 
 	return whiteboard;