2491437 - Upgrade phase "KX_CPYORG" aborted with severe errors, Source file 'FileName.XX' missing!

You are performing an upgrade using Software Update Manager (SUM). And you received following errors at phase PREP_INPUT_CHECK/KX_CPYORG.

SAPup.log

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CURRENTPHASE PREP_INPUT_CHECK/KX_CPYORG

...started at 20170614160524

# Using phase log file 'KX_CPYORG.LOG'

....finished at 20170614160601 with status ABORTED.

# Error message set: 'Failed to copy 1 files, check 'KX_CPYORG.LOG' for details'

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KX_CPYORG.LOG

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1 ETQ399 Copying files from 'T:\usr\sap\<SID>\SYS\exe\uc\NTAMD64' to 'T:\usr\sap\SUM\abap\exe'

...

4EETQ399 Source file 'FileName.XX' missing!

...

1 ETQ399 Copied 962 files

1EETQ399 Last error code set is: Failed to copy 1 files, check 'KX_CPYORG.LOG' for detail

1EETQ204 Upgrade phase "KX_CPYORG" aborted with severe errors ("20170614160601")

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SUM

Kernel, KX_CPYORG, missing , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem