diff --git a/Cite_body.php b/Cite_body.php
index e2fa2f2..25ad0a0 100644
--- a/Cite_body.php
+++ b/Cite_body.php
@@ -1103,13 +1103,18 @@ class Cite {
 		}
 
 		foreach ( $this->mRefs as $group => $refs ) {
+			if ( $this->mParser !== $parser ) {
+				wfDebugLog( 'citedebug', 'Cite parser and real parser mismatch.' . $parser->getTitle()->getPrefixedText() . 'vs' . $this->mParser->getTitle()->getPrefixedText() );
+			}
 			if ( count( $refs ) == 0 ) {
 				continue;
 			}
 			$text .= "\n<br />";
 			if ( $group == CITE_DEFAULT_GROUP ) {
+				wfDebugLog( 'citedebug', 'Ref error default group on page ' . $parser->getTitle() . ': ' . print_r( $this->mRefs, true ) ); 
 				$text .= $this->error( 'cite_error_refs_without_references' );
 			} else {
+				wfDebugLog( 'citedebug', 'Ref error group ' . $group . ' on page ' . $parser->getTitle() . ': ' . print_r( $this->mRefs, true ) ); 
 				$text .= $this->error( 'cite_error_group_refs_without_references', htmlspecialchars( $group ) );
 			}
 		}