diff --git a/pym/cl_template.py b/pym/cl_template.py
index cd34257..a49a4d9 100644
--- a/pym/cl_template.py
+++ b/pym/cl_template.py
@@ -4372,6 +4372,10 @@ variable 'cl_name'"))
         if templateFileType == "bin":
             self.nameFileTemplate = os.path.abspath(nameFileTemplate)
             self.F_TEMPL = self.openTemplFile(self.nameFileTemplate)
+            if not self.F_TEMPL:
+                self.setError(_("Error open template") + ": " +\
+                                   templateDirFile)
+                return False
             self.textTemplate = self.F_TEMPL.read()
             self.closeTemplFile()
         objHeadNew = fileHeader(nameFileTemplate, self.textTemplate, False,