diff --git a/C/parser.c b/C/parser.c
index 85a2ddb2b..85ee7aa88 100755
--- a/C/parser.c
+++ b/C/parser.c
@@ -64,8 +64,6 @@ static void syntax_msg(const char *msg, ...) {
     if (!LOCAL_ErrorMessage) {
       LOCAL_ErrorMessage = malloc(MAX_ERROR_MSG_SIZE + 1);
     }
-    LOCAL_ActiveError->parserLine = LOCAL_toktide->TokLine;
-    LOCAL_ActiveError->parserPos = LOCAL_toktide->TokPos;
     va_start(ap, msg);
     vsnprintf(LOCAL_ErrorMessage, MAX_ERROR_MSG_SIZE, msg, ap);
     va_end(ap);
diff --git a/os/readterm.c b/os/readterm.c
index a9709f55d..5b247f4b6 100644
--- a/os/readterm.c
+++ b/os/readterm.c
@@ -376,9 +376,9 @@ static Term syntax_error(TokEntry *errtok, int sno, Term cmod, Int newpos, bool
   Yap_MkErrorRecord(LOCAL_ActiveError, __FILE__, __FUNCTION__, __LINE__, SYNTAX_ERROR, 0, NULL);
   TokEntry *tok = LOCAL_tokptr;
   Int start_line = tok->TokLine;
-  Int err_line = errtok->TokLine;
+  Int err_line = LOCAL_toktide->TokLine;
    Int startpos = tok->TokPos;
-  Int errpos = errtok->TokPos;
+  Int errpos = LOCAL_toktide->TokPos;
   Int end_line = GetCurInpLine(GLOBAL_Stream + sno);
  Int endpos = GetCurInpPos(GLOBAL_Stream + sno);
 
diff --git a/packages/ProbLog/problog_examples/learn_graph.pl b/packages/ProbLog/problog_examples/learn_graph.pl
index 4e15cfedf..1970599d4 100644
--- a/packages/ProbLog/problog_examples/learn_graph.pl
+++ b/packages/ProbLog/problog_examples/learn_graph.pl
@@ -15,7 +15,7 @@
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 :- use_module(library(matrix)).
-:- use_module(('../problog_lbfgs')).
+:- use_module('../problog_learning').
 
 %%%%
 % background knowledge
diff --git a/packages/ProbLog/problog_learning.yap b/packages/ProbLog/problog_learning.yap
index 5d60bf244..a9f3993db 100644
--- a/packages/ProbLog/problog_learning.yap
+++ b/packages/ProbLog/problog_learning.yap
@@ -220,7 +220,7 @@
 :- use_module(library(system), [file_exists/1, shell/2]).
 
 % load our own modules
-:- use_module(problog).
+:- reexport(problog).
 :- use_module('problog/logger').
 :- use_module('problog/flags').
 :- use_module('problog/os').
@@ -1335,7 +1335,7 @@ lineSearch(Final_X,Final_Value) :-
 	line_search_evaluate_point(InitLeft,Value_InitLeft),
 
 
-i	Parameters=ls(A,B,InitLeft,InitRight,Value_A,Value_B,Value_InitLeft,Value_InitRight,1),
+	Parameters=ls(A,B,InitLeft,InitRight,Value_A,Value_B,Value_InitLeft,Value_InitRight,1),
 
 	%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 	%%%% BEGIN BACK TRACKING
diff --git a/pl/debug.yap b/pl/debug.yap
index ca648226f..d7af3a948 100644
--- a/pl/debug.yap
+++ b/pl/debug.yap
@@ -477,7 +477,7 @@ be lost.
 '$trace_goal'(G, M, GoalNumber, H) :-
 	'$undefined'(G, M),
 	!,
-	'$get_undefined_pred'(M:G,  NM:Goal),
+	'$get_undefined_predicates'(M:G,  NM:Goal),
 	( ( M == NM ; NM == prolog), G == Goal
 	->
 	  yap_flag( unknown, Action ),