2628930 - 'FILE_NOT_FOUND'/'SIGNATURE: file not found in manifest' for archive (error 58) in SAPCAR during EHP_INCLUSION Phase

The following error is reported in the log file SCANDIRX.LOG while update is running in the phase EHP_INCLUSION in SUM(Software Update Manager)

.......

ETQ121 20180409100056 #407 (6): PID 62396 execute '~/bin/SAPCAR -V -crl <SUM_DOWNLOADS_DIR>/crlbag.p7s -flat -R <DIR_EPS_ROOT>/in -xvf <SUM_DOWNLOADS_DIR>/SAP_FIN618.SAR
' in background, output written to '<SUM>/abap/log/CAR.407'.
3WETQ122 20180409100056 (5): PID 62297 exited with status 58 '' (time: 0.0/ 0.0/ 0.0/60MB real/usr/sys/maxmem)
4EETQ399 'FILE_NOT_FOUND'/'SIGNATURE: file not found in manifest' for archive '<SUM_DOWNLOADS_DIR>/SAP_FIN618.SAR'.
2EETQ008 Error message: 'FILE_NOT_FOUND'/'SIGNATURE: file not found in manifest' for archive '<SUM_DOWNLOADS_DIR>/SAP_FIN618.SAR'.

.......

<SUM_DOWNLOADS_DIR> is the directory where Stack file and downloads provided to SUM are located. SAP_FIN618.SAR is used above only as an example. The phase can error out due to any archive.

SAP ABAP System

error 58, SAPCAR, SAPCAR: at least one file was not signed, was not found in manifest, file not found in manifest, 'FILE_NOT_FOUND', 'SIGNATURE: file not found in manifest', 2EETQ008, 3WETQ122, DIR_EPS_ROOT, DIR_TRANS , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem