msvcr90.dll!__crt_debugger_hook(int _Reserved=2162504)  Line 65 C
    msvcr90.dll!_invoke_watson(const wchar_t * pszExpression=0x0000000000000002, const wchar_t * pszFunction=0x000000001880919b, const wchar_t * pszFile=0x0000000000000001, unsigned int nLine=2002137114, unsigned __int64 pReserved=0)  Line 233 C++
    msvcr90.dll!_invalid_parameter(const wchar_t * pszExpression=0x000000001429f820, const wchar_t * pszFunction=0x0000000000000001, const wchar_t * pszFile=0x0000000035001c50, unsigned int nLine=0, unsigned __int64 pReserved=0)  Line 115  C++
    msvcr90.dll!_invalid_parameter_noinfo()  Line 126   C++
>   ttconv.pyd!GlyphToType3::PSConvert(TTStreamWriter & stream={...})  Line 229 + 0x34 bytes    C++
    ttconv.pyd!GlyphToType3::GlyphToType3(TTStreamWriter & stream={...}, TTFONT * font=0x0000000000210ba8, int charindex=0, bool embedded=false)  Line 840 + 0xb bytes  C++
    ttconv.pyd!tt_type3_charproc(TTStreamWriter & stream={...}, TTFONT * font=0x0000000000000001, int charindex=890305360)  Line 861    C++
    ttconv.pyd!get_pdf_charprocs(const char * filename=0x0000000000000000, std::vector<int,std::allocator<int> > & glyph_ids=[25708120](...,...), TTDictionaryCallback & dict={...})  Line 1389 C++
    ttconv.pyd!py_get_pdf_charprocs(_object * self=0x00000000339847c8, _object * args=0x0000000000000000, _object * kwds=0x0000000094fd6ab0)  Line 214 + 0x14 bytes C++
    python27.dll!PyCFunction_Call(_object * func=0x0000000000000002, _object * arg=0x0000000001ee7a80, _object * kw=0x0000000005d8f108)  Line 85 + 0x8 bytes    C
    python27.dll!call_function(_object * * * pp_stack=0x0000000000000000, int oparg=131)  Line 4021 + 0xaf bytes    C

--- a/ttconv/pprdrv_tt2.cpp
+++ b/ttconv/pprdrv_tt2.cpp
@@ -214,6 +214,10 @@ void GlyphToType3::PSConvert(TTStreamWriter& stream)
         // on-path point midway between them.
         std::list<FlaggedPoint> points;

+        if (epts_ctr[k] == 0) {
+            continue;
+        }
+
         // Represent flags and x/y coordinates as a C++ list
         for (; j <= epts_ctr[k]; j++)
         {

diff --git a/ttconv/pprdrv_tt2.cpp b/ttconv/pprdrv_tt2.cpp
index 1302382..6d309c4 100644
--- a/ttconv/pprdrv_tt2.cpp
+++ b/ttconv/pprdrv_tt2.cpp
@@ -226,6 +226,21 @@ void GlyphToType3::PSConvert(TTStreamWriter& stream)

         // For any two consecutive off-path points, insert the implied
         // on-path point.
+
+        if (points.size() == 0) {
+            k=nextinctr(i,k);
+
+            if (k==NOMOREINCTR)
+            {
+                i=k=nextoutctr(i);
+            }
+
+            if (i==NOMOREOUTCTR)
+            {
+                break;
+            }
+            continue;
+        }
         FlaggedPoint prev = points.back();
         for (std::list<FlaggedPoint>::iterator it = points.begin();
              it != points.end();