diff --git a/core/inlineimage.class.inc.php b/core/inlineimage.class.inc.php
index 159ddb21e..222b67d7e 100644
--- a/core/inlineimage.class.inc.php
+++ b/core/inlineimage.class.inc.php
@@ -178,6 +178,18 @@ class InlineImage extends DBObject
 				$oInlineImage->DBUpdate();
 			}
 		}
+		else
+		{
+			IssueLog::Error('InlineImage: Error during FinalizeInlineImages(), no transaction ID for object '.get_class($oObject).'#'.$oObject->GetKey().'.');
+
+			IssueLog::Error('|- Call stack:');
+			$oException = new Exception();
+			$sStackTrace = $oException->getTraceAsString();
+			IssueLog::Error($sStackTrace);
+
+			IssueLog::Error('|- POST vars:');
+			IssueLog::Error(print_r($_POST, true));
+		}
 	}
 	
 	/**