[kirankp]

New to OpenFOAM
Please let me know why I'm getting this error

--> FOAM FATAL IO ERROR:
"ill defined primitiveEntry starting at keyword 'blocks' on line 30 and ending at line 92"

file: /home/cfdpopeye/OpenFOAM/cfdpopeye-8/run/cavity_week_eleven/system/blockMeshDict at line 92.

From function void Foam::primitiveEntry::readEntry(const Foam::dictionary&, Foam::Istream&)
in file db/dictionary/primitiveEntry/primitiveEntryIO.C at line 168.

FOAM exiting

/*--------------------------------*- C++ -*----------------------------------*
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Version: 8
\\/ M anipulation |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
object blockMeshDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

convertToMeters 1;

vertices
(
(0.000000 0.000000 0.000000)
(0.000000 -0.000262 0.009997)
(0.000000 0.000262 0.009997)
(3.520000 0.000000 0.000000)
(3.520000 -0.000262 0.009997)
(3.520000 0.000262 0.009997)
);

blocks
(
//hex(0 3 5 2 0 4 1 0) (20 1 20) simpleGrading (1 1 1)
hex(1 4 5 2 0 3 3 0) (1 20 20) simpleGrading (1 1 1)
);

edges
(
arc 1 2 (0 2.617695e-04 9.996573e-03)
arc 4 5 (3.520000e+00 2.617695e-04 9.996573e-03)
);

boundary
(
inlet
{
type patch;
faces
(
(0 1 2 0)
);
}
outlet
{
type patch;
faces
(
(3 5 4 3)
);
}
frontandback
{
type wedge;
faces
(
(0 3 4 1)
(0 2 5 3)
);
}
axis
{
type empty;
faces
(
(0 3 3 0)
);
}
top
{
type wall;
faces
(
(1 4 5 2)
);
}
);

mergePatchPairs
(
);
// ************************************************** *********************** //

below i have attached the image which could help u visualize the geometry
diag.png