From 0218f2e596d858d6cf0e4ec911fe00a5bdee8d7b Mon Sep 17 00:00:00 2001
From: Steve Bronder <sbronder@flatironinstitute.org>
Date: Mon, 8 Jan 2024 12:36:02 -0500
Subject: [PATCH] fix template error

---
 src/stan/model/indexing/rvalue.hpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/stan/model/indexing/rvalue.hpp b/src/stan/model/indexing/rvalue.hpp
index 473529d282..6767d499d3 100644
--- a/src/stan/model/indexing/rvalue.hpp
+++ b/src/stan/model/indexing/rvalue.hpp
@@ -503,10 +503,11 @@ inline auto rvalue(EigMat&& x, const char* name, MultiIndex&& row_idx,
  * @return Result of indexing matrix.
  */
 template <
-    typename EigMat, typename RowIndexMulti, typename ColIndexMulti,
+    typename EigMat, typename RowMultiIndex, typename ColMultiIndex,
     require_eigen_dense_dynamic_t<EigMat>* = nullptr,
-    require_all_same_t<RowMultiIndex, ColMultiIndex, index_multi>* = nullptr>
-inline auto rvalue(EigMat&& x, const char* name, RowMultiMulti&& row_idx,
+    require_same_t<RowMultiIndex, index_multi>* = nullptr,
+    require_same_t<ColMultiIndex, index_multi>* = nullptr>
+inline auto rvalue(EigMat&& x, const char* name, RowMultiIndex&& row_idx,
                    ColMultiIndex&& col_idx) {
   const Eigen::Index rows = row_idx.ns_.size();
   const Eigen::Index cols = col_idx.ns_.size();