From e4f71323b34da1f963b505ba6669b5805393912a Mon Sep 17 00:00:00 2001
From: Gareth Aneurin Tribello <garethtribello@gareths-mbp.mp.qub.ac.uk>
Date: Tue, 28 Jan 2025 11:00:47 +0000
Subject: [PATCH] More detailed output in error message to determine problem on
 github

---
 src/tools/LinkCells.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/tools/LinkCells.cpp b/src/tools/LinkCells.cpp
index 7a309bffeb..dde8485fab 100644
--- a/src/tools/LinkCells.cpp
+++ b/src/tools/LinkCells.cpp
@@ -217,7 +217,7 @@ std::array<unsigned,3> LinkCells::findMyCell( const Vector& pos ) const {
     } else {
       celn[j] = std::floor( ( Tools::pbc(fpos[j]) + 0.5 ) * ncells[j] );
     }
-    plumed_assert( celn[j]>=0 && celn[j]<ncells[j] ) <<"in link cell "<<celn[j]<<" but should be between 0 and "<<ncells[j];
+    plumed_assert( celn[j]>=0 && celn[j]<ncells[j] ) <<"in link cell "<<celn[j]<<" but should be between 0 and "<<ncells[j]<<" link cell cutoff is "<<link_cutoff;
   }
   return celn;
 }