[yocto] do_rootfs failed with message about host system(?) locale

[Dvorkin Dmitry]

ERROR: MyIMG-1.0-r1 do_rootfs: [log_check] MyIMG: found 2 error messages 
in the logfile:
[log_check] Failed to set locale, defaulting to C
[log_check] Failed to set locale, defaulting to C

ERROR: MyIMG-1.0-r1 do_rootfs: Function failed: do_rootfs
ERROR: Logfile of failure stored in: 
/home/dv/workspace/tpp.17/poky/x.tpp/tmp/work/tpp-tps-linux-gnueabi/MyIMG/1.0-r1/temp/log.do_rootfs.30451
ERROR: Task 
(/home/dv/workspace/tpp.17/poky/meta-tibbo/recipes-core/images/MyIMG.bb:do_rootfs) 
failed with exit code '1'
NOTE: Tasks Summary: Attempted 5400 tasks of which 5394 didn't need to 
be rerun and 1 failed.

the complete logfile is there:
https://paste.fedoraproject.org/paste/s~SuKagYWMH2wmJLB6ckFQ

I got read of any errors in my image. The only thing is my host PC 
locale. But if I set
export LANG=en_US
export LC_ALL=en_US
before running bitbake it doesn't help.
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