ERROR LAF | LG 2G-3G Tool v.9.53

Flashing on H918 in download mode it shows this warning:
Laf cmd error: LAF_CMD_UNLINK fail[LAF_ERROR_FAILED]

Start direct download mode
Write "PrimaryGPT" partition #1 of 106
Write "laf" partition #2 of 106
Write "factory" partition #3 of 106
Skip "rct" partition #4 of 106
Write "persist" partition #5 of 106
Write "lafbak" partition #6 of 106
Write "system" partition #7 of 106
...
...
Done.
Elapsed: 385 secs. --> (v9.53)


Is this a bug or what?