2933420 - Error SQL99987 returned during archiving to SAP IQ

The below error is reported while executing archiving to SAP IQ:

C *** ERROR => failed to open file \\xxxx\xxxx\xxxx\xxxx\data\iq_wnn_nn_nnn.dat.
[dbsyb.c 35468]
C {root-id=000D3AACF0601EEAA6B5B4D1E679A816}_{conn-id=00000000000000000000000000000000}_0
C ERROR: could not start iq load.
C dbdssyb: DBSL99 SQL99987
C [IQ Error SQL99987]failed to open file \\xxxx\xxxx\xxxx\xxxx\data\iq_wnn_nn_nnn.dat.[IQ Error SQL99987]ERROR: could not start iq load.
B ***LOG BY2=> sql error 99987 performing EXE [dbds 782]
B ***LOG BY0=> [IQ Error SQL99987]failed to open file \\xxxx\xxxx\xxxx\xxxx\data\iq_wnn_nn_nnn.dat.[IQ Error SQL99987]ERROR: could not start iq load. [dbds 782]

SAP IQ NLS - All versions

"failed to open file", "could not start iq", archiving, SYBASE_IQ_LOAD_DIR, DBCO, , KBA , BW-SYS-DB-IQ , BW on HANA with Sybase IQ Near-line Storage , Problem