From b045e504e044c6084759ada9d9981c85fcb5e1d7 Mon Sep 17 00:00:00 2001
From: nrnhines <michael.hines@yale.edu>
Date: Sun, 7 Jan 2024 04:03:07 -0500
Subject: [PATCH] cell builder session files involving extracellular could not
 be saved. (#2651)

---
 src/ivoc/datapath.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/ivoc/datapath.cpp b/src/ivoc/datapath.cpp
index cee0f49d5b..c4da677e77 100644
--- a/src/ivoc/datapath.cpp
+++ b/src/ivoc/datapath.cpp
@@ -462,7 +462,12 @@ void HocDataPathImpl::search(Prop* prop, double x) {
         if (memb_func[type].hoc_mech) {
             pd = prop->ob->u.dataspace[ir].pval;
         } else {
-            pd = static_cast<double*>(prop->param_handle_legacy(ir));
+            if (type == EXTRACELL && ir == neuron::extracellular::vext_pseudoindex()) {
+                // skip as it was handled by caller
+                continue;
+            } else {
+                pd = static_cast<double*>(prop->param_handle_legacy(ir));
+            }
         }
         imax = hoc_total_array_data(psym, 0);
         for (i = 0; i < imax; ++i) {