Hi, i have one controller node and compute node in my openstack setup. whenever i am trying to launch instance getting below error in horizan. ERROR:

Build of instance 93575ab2-bc70-45ca-bd3e-3c903cfa81ab aborted: Could not clean up failed build, not rescheduling
Code
500
Details
File "/opt/stack/nova/nova/compute/manager.py", line 1905, in _do_build_and_run_instance filter_properties) File "/opt/stack/nova/nova/compute/manager.py", line 2025, in _build_and_run_instance 'create.error', fault=e) File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 197, in __exit__ six.reraise(self.type_, self.value, self.tb) File "/opt/stack/nova/nova/compute/manager.py", line 2009, in _build_and_run_instance block_device_info=block_device_info) File "/usr/lib64/python2.7/contextlib.py", line 35, in __exit__ self.gen.throw(type, value, traceback) File "/opt/stack/nova/nova/compute/manager.py", line 2179, in _build_resources instance_uuid=instance.uuid, reason=msg)
Created

could any help me to resolve this issue.

update: when i disable compute node the service in "admin->hypervisors->compute host" VM create succeed means controller node alone is working . if i am connecting compute node with controller node VM create failed

please help me to solve this issue

i have checked my machine it has enough memory and RAM.