python error while doing an OpenBMC build

gistfile1.txt

ERROR: obmc-phosphor-image-1.0-r0 do_generate_static: Error executing a python function in exec_python_func() autogenerated:

The stack trace of python calls that resulted in this exception/failure was:
File: 'exec_python_func() autogenerated', lineno: 2, function: <module>
     0001:
 *** 0002:do_generate_static(d)
     0003:
File: '/home/aatir/openbmc/meta-phosphor/classes/image_types_phosphor.bbclass', lineno: 212, function: do_generate_static
     0208:
     0209:    _append_image(os.path.join(d.getVar('DEPLOY_DIR_IMAGE', True),
     0210:                               'u-boot.%s' % d.getVar('UBOOT_SUFFIX',True)),
     0211:                  int(d.getVar('FLASH_UBOOT_OFFSET', True)),
 *** 0212:                  int(d.getVar('FLASH_KERNEL_OFFSET', True)))
     0213:
     0214:    _append_image(os.path.join(d.getVar('DEPLOY_DIR_IMAGE', True),
     0215:                               d.getVar('FLASH_KERNEL_IMAGE', True)),
     0216:                  int(d.getVar('FLASH_KERNEL_OFFSET', True)),
File: '/home/aatir/openbmc/meta-phosphor/classes/image_types_phosphor.bbclass', lineno: 200, function: _append_image
     0196:    nor_image = os.path.join(d.getVar('IMGDEPLOYDIR', True),
     0197:                             '%s.static.mtd' % d.getVar('IMAGE_NAME', True))
     0198:
     0199:    def _append_image(imgpath, start_kb, finish_kb):
 *** 0200:        imgsize = os.path.getsize(imgpath)
     0201:        if imgsize > (finish_kb - start_kb) * 1024:
     0202:            bb.fatal("Image '%s' is too large!" % imgpath)
     0203:
     0204:        subprocess.check_call(['dd', 'bs=1k', 'conv=notrunc',
File: '/usr/lib/python3.6/genericpath.py', lineno: 50, function: getsize
     0046:
     0047:
     0048:def getsize(filename):
     0049:    """Return the size of a file, reported by os.stat()."""
 *** 0050:    return os.stat(filename).st_size
     0051:
     0052:
     0053:def getmtime(filename):
     0054:    """Return the last modification time of a file, reported by os.stat()."""
Exception: FileNotFoundError: [Errno 2] No such file or directory: '/home/aatir/openbmc/build/tmp/deploy/images/palmetto/u-boot.bin'

ERROR: obmc-phosphor-image-1.0-r0 do_generate_static: [Errno 2] No such file or directory: '/home/aatir/openbmc/build/tmp/deploy/images/palmetto/u-boot.bin'
ERROR: obmc-phosphor-image-1.0-r0 do_generate_static: Function failed: do_generate_static
ERROR: Logfile of failure stored in: /home/aatir/openbmc/build/tmp/work/palmetto-openbmc-linux-gnueabi/obmc-phosphor-image/1.0-r0/temp/log.do_generate_static.13640
ERROR: Task (/home/aatir/openbmc/meta-phosphor/recipes-phosphor/images/obmc-phosphor-image.bb:do_generate_static) failed with exit code '1'
NOTE: Tasks Summary: Attempted 4109 tasks of which 10 didn't need to be rerun and 1 failed.