diff --git a/src/main/java/org/gcube/informationsystem/resourceregistry/er/ERManagement.java b/src/main/java/org/gcube/informationsystem/resourceregistry/er/ERManagement.java
index 2ca7fcf..e905738 100644
--- a/src/main/java/org/gcube/informationsystem/resourceregistry/er/ERManagement.java
+++ b/src/main/java/org/gcube/informationsystem/resourceregistry/er/ERManagement.java
@@ -440,8 +440,10 @@ public abstract class ERManagement<ERType extends ER, El extends Element> {
 
 			return true;
 		} catch (ResourceRegistryException e) {
+			logger.error("Unable to find {} with UUID {}", accessType.getName(), uuid);
 			throw e;
 		} catch (Exception e) {
+			logger.error("Unable to find {} with UUID {}", accessType.getName(), uuid, e);
 			throw new ResourceRegistryException(e);
 		} finally {
 			if (orientGraph != null) {
@@ -464,11 +466,13 @@ public abstract class ERManagement<ERType extends ER, El extends Element> {
 			return serialize();
 
 		} catch (ResourceRegistryException e) {
+			logger.error("Unable to create {}", accessType.getName());
 			if (orientGraph != null) {
 				orientGraph.rollback();
 			}
 			throw e;
 		} catch (Exception e) {
+			logger.error("Unable to create {}", accessType.getName(), e);
 			if (orientGraph != null) {
 				orientGraph.rollback();
 			}
@@ -490,8 +494,10 @@ public abstract class ERManagement<ERType extends ER, El extends Element> {
 
 			return serialize();
 		} catch (ResourceRegistryException e) {
+			logger.error("Unable to read {} with UUID {}", accessType.getName(), uuid);
 			throw e;
 		} catch (Exception e) {
+			logger.error("Unable to read {} with UUID {}", accessType.getName(), uuid, e);
 			throw new ResourceRegistryException(e);
 		} finally {
 			if (orientGraph != null) {
@@ -517,11 +523,13 @@ public abstract class ERManagement<ERType extends ER, El extends Element> {
 			// TODO Serialized resource is the old version. This really strange and should be an orient bug
 			
 		} catch (ResourceRegistryException e) {
+			logger.error("Unable to update {} with UUID {}", accessType.getName(), uuid);
 			if (orientGraph != null) {
 				orientGraph.rollback();
 			}
 			throw e;
 		} catch (Exception e) {
+			logger.error("Unable to update {} with UUID {}", accessType.getName(), uuid, e);
 			if (orientGraph != null) {
 				orientGraph.rollback();
 			}
@@ -557,7 +565,7 @@ public abstract class ERManagement<ERType extends ER, El extends Element> {
 			return deleted;
 
 		} catch (ResourceRegistryException e) {
-			logger.error("Unable to delete {} with UUID {}", accessType.getName(), uuid, e);
+			logger.error("Unable to delete {} with UUID {}", accessType.getName(), uuid);
 			if (orientGraph != null) {
 				orientGraph.rollback();
 			}
@@ -575,7 +583,7 @@ public abstract class ERManagement<ERType extends ER, El extends Element> {
 		}
 	}
 
-	public boolean addToContext() throws ERNotFoundException, ContextException {
+	public boolean addToContext() throws ERNotFoundException, ContextException, ResourceRegistryException {
 		logger.debug("Going to add {} with UUID {} to actual Context",
 				accessType.getName(), uuid);
 
@@ -590,6 +598,13 @@ public abstract class ERManagement<ERType extends ER, El extends Element> {
 					accessType.getName(), uuid);
 			
 			return added;
+		} catch (ResourceRegistryException e) {
+			logger.error("Unable to add {} with UUID {} to actual Context",
+					accessType.getName(), uuid);
+			if (orientGraph != null) {
+				orientGraph.rollback();
+			}
+			throw e;
 		} catch (Exception e) {
 			logger.error("Unable to add {} with UUID {} to actual Context",
 					accessType.getName(), uuid, e);
@@ -604,7 +619,7 @@ public abstract class ERManagement<ERType extends ER, El extends Element> {
 		}
 	}
 
-	public boolean removeFromContext() throws ERNotFoundException, ContextException {
+	public boolean removeFromContext() throws ERNotFoundException, ContextException, ResourceRegistryException {
 		logger.debug("Going to remove {} with UUID {} from actual Context",
 				accessType.getName(), uuid);
 
@@ -620,6 +635,13 @@ public abstract class ERManagement<ERType extends ER, El extends Element> {
 					accessType.getName(), uuid);
 
 			return removed;
+		} catch (ResourceRegistryException e) {
+			logger.error("Unable to remove {} with UUID {} from actual Context",
+					accessType.getName(), uuid);
+			if (orientGraph != null) {
+				orientGraph.rollback();
+			}
+			throw e;
 		} catch (Exception e) {
 			logger.error(
 					"Unable to remove {} with UUID {} from actual Context",