error di mysql itu perlu

include '../Config/konek.php';
$q=mysql_query('select * from plan');
$i=1;
while ($r=mysql_fetch_array($q)){
$sql="INSERT INTO `plan2` (
`KODE_PLAN` ,
`ANGKATAN` ,
`TGL_MULAI` ,
`TGL_AKHIR` ,
`ANGGARAN` ,
`PST_A` ,
`TGL_AWAL_REAL` ,
`TGL_AKHIR_REAL` ,
`ANGGARAN_REAL` ,
`PST_REAL` ,
`KODE_M` ,
`TEKHNIK` ,
`STREAM` ,
`NAMA_M_TRAINING` ,
`PL` ,
`JP` ,
`KODE_INST` ,
`NAMA_INST` ,
`KODE_UBIS` ,
`NAMA_HR` ,
`KODE_HR` ,
`KODE_LC` ,
`NAMA_LC` ,
`KOTA` ,
`Terlaksana` ,
`Komen`
)
VALUES (
'', $r[KODE_PLAN] , $r[angkatan] , $r[TGL_MULAI] , NULL , NULL , NULL , NULL , NULL , NULL , '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', ''
)
";
$h= mysql_query($sql) or die(mysql_error()."<p>$sql");

   $i++;
}