BUGFIX NULL pointer dereference
diff --git a/src/printer_data.c b/src/printer_data.c
index 7853099..b74eaee 100644
--- a/src/printer_data.c
+++ b/src/printer_data.c
@@ -51,7 +51,7 @@
         break;
 #endif
     default:
-        LOGERR(root->schema->module->ctx, LY_EINVAL, "Unknown output format.");
+        LOGERR(out->ctx, LY_EINVAL, "Unknown output format.");
         ret = LY_EINVAL;
         break;
     }