The last cell in a cellZone do
 

The last cell in a cellZone does not get written (got lost during the index-shifting). The patch to repair fluentMeshToFoam.L would be:

Index: fluentMeshToFoam.L
================================================== =================
--- fluentMeshToFoam.L (revision 92)
+++ fluentMeshToFoam.L (working copy)
@@ -1588,14 +1588,14 @@
<< " of type " << type << " starting at " << start() - 1
<< " ending at " << end() - 1 << " to cellSet." << endl;

- labelList cls(end() - start());
+ labelList cls(end() - start() +1);

// Mark zone cells, used for finding faces
boolList zoneCell(pShapeMesh.nCells(), false);

// shift cell indizes by 1
label nr=0;
- for (label celli = (start() - 1); celli < (end() - 1); celli++)
+ for (label celli = (start() - 1); celli <= (end() - 1); celli++)
{
cls[nr]=celli;
zoneCell[celli] = true;