ERROR: bitbake server ..building pynq image from prebuilt

Hi,

I am building an image file from an image from prebuild command, but having following error anyone has any idea?

I tried reinstalling petalinux as suggested in some post

THIS IS FROM LOG FILE***************

Root password (ROOTFS_ROOT_PASSWD) [root]
Add Extra Users (ADD_EXTRA_USERS) [petalinux:petalinux;]

configuration written to /home/PYNQ/sdbuild/build/PynqZ2/petalinux_project/project-spec/configs/rootfs_config

[INFO] Generating plnxtool conf
[INFO] Adding user layers
NOTE: Starting bitbake server…
NOTE: Started PRServer with DBfile: /home/PYNQ/sdbuild/build/PynqZ2/petalinux_project/build/cache/prserv.sqlite3, IP: 127.0.0.1, PORT: 45437, PID: 27011
NOTE: Starting bitbake server…
NOTE: Started PRServer with DBfile: /home/PYNQ/sdbuild/build/PynqZ2/petalinux_project/build/cache/prserv.sqlite3, IP: 127.0.0.1, PORT: 33057, PID: 27039
[INFO] Generating workspace directory
NOTE: Starting bitbake server…
NOTE: No reply from server in 30s
ERROR: Layer pynq is not compatible with the core layer which only supports these series: gatesgarth (layer is compatible with zeus)
ERROR: Layer pynq is not compatible with the core layer which only supports these series: gatesgarth (layer is compatible with zeus)
ERROR: Exception in server main event loop running command ()
Traceback (most recent call last):

FROM COMMAND*******
PYNQ_BOARDNAME=PynqZ2 FPGA_MANAGER=1 petalinux-build -c device-tree -p /home/PYNQ/sdbuild/build/PynqZ2/petalinux_project
[INFO] Sourcing buildtools
[INFO] Building device-tree
[INFO] Sourcing build environment
[INFO] Generating plnxtool conf
[INFO] Generating workspace directory
ERROR: Failed to create workspace directory
ERROR: Failed to build device-tree. Check the /home//PYNQ/sdbuild/build/PynqZ2/petalinux_project/build/build.log file for more details…
Makefile:338: recipe for target ‘/home//PYNQ/sdbuild/build/PynqZ2/petalinux_project/images/linux/system.dtb’ failed
make: *** [/home//PYNQ/sdbuild/build/PynqZ2/petalinux_project/images/linux/system.dtb] Error 255
Make failed