I was working to upgrade the Release Notes to include the changes from
Sumo and I got this crash.

Can you, please, help me how to solve this?

Thanks in advance,
Daiane

ERROR: /media/disco2/yocto/rocko/sources/poky/meta/recipes-bsp/u-boot/u-boot-fw-utils_2017.09.bb:
Error executing a python function in
<code>:###################################### | ETA: 0:00:01

The stack trace of python calls that resulted in this exception/failure was:
File: '<code>', lineno: 4, function: <module>
0001:__anon_22__media_disco2_yocto_rocko_sources_poky_meta_conf_machine_include_arm_feature_arm_thumb_inc(d)
0002:__anon_25__media_disco2_yocto_rocko_sources_poky_meta_classes_patch_bbclass(d)
0003:__anon_160__media_disco2_yocto_rocko_sources_poky_meta_classes_base_bbclass(d)
*** 0004:__anon_686__media_disco2_yocto_rocko_sources_poky_meta_classes_base_bbclass(d)
0005:__anon_64__media_disco2_yocto_rocko_sources_meta_freescale_classes_fsl_dynamic_packagearch_bbclass(d)
0006:__anon_1305__media_disco2_yocto_rocko_sources_poky_meta_classes_insane_bbclass(d)
0007:__anon_250__media_disco2_yocto_rocko_sources_poky_meta_classes_package_bbclass(d)
0008:__anon_711__media_disco2_yocto_rocko_sources_poky_meta_classes_package_rpm_bbclass(d)
File: '/media/disco2/yocto/rocko/sources/poky/meta/classes/base.bbclass',
lineno: 399, function:
__anon_686__media_disco2_yocto_rocko_sources_poky_meta_classes_base_bbclass
0395: #
0396: # PACKAGECONFIG ??= "<default options>"
0397: # PACKAGECONFIG[foo] =
"--enable-foo,--disable-foo,foo_depends,foo_runtime_depends,foo_runtime_recommends"
0398: pkgconfigflags = d.getVarFlags("PACKAGECONFIG") or {}
*** 0399: if pkgconfigflags:
0400: pkgconfig = (d.getVar('PACKAGECONFIG') or "").split()
0401: pn = d.getVar("PN")
0402:
0403: mlprefix = d.getVar("MLPREFIX")
File: '/media/disco2/yocto/rocko/sources/poky/bitbake/lib/bb/data_smart.py',
lineno: 874, function: getVarFlags
0870: flags = {}
0871:
0872: if local_var:
0873: for i in local_var:
*** 0874: if i.startswith("_") and not internalflags: