Trying to run gazebo with a different world

Hi All.
I am running px4+gazebo on an ubuntu machine from a clean install.
The empty world works great, but if i try to switch to any other world i get errors

make px4_sitl_default gazebo_iris__warehouse
[0/4] Performing build step for ‘sitl_gazebo’
[1/11] Generating /home/ubuntu/Firmware/Tools/sitl_gazebo/models/px4flow/px4flow-gen.sdf
/home/ubuntu/Firmware/Tools/sitl_gazebo/models/px4flow/px4flow.sdf.jinja → /home/ubuntu/Firmware/Tools/sitl_gazebo/models/px4flow/px4flow.sdf
[2/11] Generating /home/ubuntu/Firmware/Tools/sitl_gazebo/models/mb1240-xl-ez4/mb1240-xl-ez4-gen.sdf
/home/ubuntu/Firmware/Tools/sitl_gazebo/models/mb1240-xl-ez4/mb1240-xl-ez4.sdf.jinja → /home/ubuntu/Firmware/Tools/sitl_gazebo/models/mb1240-xl-ez4/mb1240-xl-ez4.sdf
[3/11] Generating /home/ubuntu/Firmware/Tools/sitl_gazebo/models/r200/r200-gen.sdf
/home/ubuntu/Firmware/Tools/sitl_gazebo/models/r200/r200.sdf.jinja → /home/ubuntu/Firmware/Tools/sitl_gazebo/models/r200/r200.sdf
[4/11] Generating /home/ubuntu/Firmware/Tools/sitl_gazebo/models/sf10a/sf10a-gen.sdf
/home/ubuntu/Firmware/Tools/sitl_gazebo/models/sf10a/sf10a.sdf.jinja → /home/ubuntu/Firmware/Tools/sitl_gazebo/models/sf10a/sf10a.sdf
[5/11] Generating /home/ubuntu/Firmware/Tools/sitl_gazebo/models/standard_vtol/standard_vtol-gen.sdf
/home/ubuntu/Firmware/Tools/sitl_gazebo/models/standard_vtol/standard_vtol.sdf.jinja → /home/ubuntu/Firmware/Tools/sitl_gazebo/models/standard_vtol/standard_vtol.sdf
[6/11] Generating /home/ubuntu/Firmware/Tools/sitl_gazebo/models/pixhawk/pixhawk-gen.sdf
/home/ubuntu/Firmware/Tools/sitl_gazebo/models/pixhawk/pixhawk.sdf.jinja → /home/ubuntu/Firmware/Tools/sitl_gazebo/models/pixhawk/pixhawk.sdf
[7/11] Generating /home/ubuntu/Firmware/Tools/sitl_gazebo/models/plane/plane-gen.sdf
/home/ubuntu/Firmware/Tools/sitl_gazebo/models/plane/plane.sdf.jinja → /home/ubuntu/Firmware/Tools/sitl_gazebo/models/plane/plane.sdf
[8/11] Generating /home/ubuntu/Firmware/Tools/sitl_gazebo/models/c920/c920-gen.sdf
/home/ubuntu/Firmware/Tools/sitl_gazebo/models/c920/c920.sdf.jinja → /home/ubuntu/Firmware/Tools/sitl_gazebo/models/c920/c920.sdf
[9/11] Generating /home/ubuntu/Firmware/Tools/sitl_gazebo/models/3DR_gps_mag/3DR_gps_mag-gen.sdf
/home/ubuntu/Firmware/Tools/sitl_gazebo/models/3DR_gps_mag/3DR_gps_mag.sdf.jinja → /home/ubuntu/Firmware/Tools/sitl_gazebo/models/3DR_gps_mag/3DR_gps_mag.sdf
[10/11] Generating /home/ubuntu/Firmware/Tools/sitl_gazebo/models/matrice_100/matrice_100-gen.sdf
/home/ubuntu/Firmware/Tools/sitl_gazebo/models/matrice_100/matrice_100.sdf.jinja → /home/ubuntu/Firmware/Tools/sitl_gazebo/models/matrice_100/matrice_100.sdf
[11/11] Generating /home/ubuntu/Firmware/Tools/sitl_gazebo/models/cloudship/cloudship-gen.sdf
/home/ubuntu/Firmware/Tools/sitl_gazebo/models/cloudship/cloudship.sdf.jinja → /home/ubuntu/Firmware/Tools/sitl_gazebo/models/cloudship/cloudship.sdf
[3/4] cd /home/ubuntu/Firmware/build/px4_sitl_default/tmp && /home/ubuntu/Firmware/To…ebo iris warehouse /home/ubuntu/Firmware /home/ubuntu/Firmware/build/px4_sitl_default
SITL ARGS
sitl_bin: /home/ubuntu/Firmware/build/px4_sitl_default/bin/px4
debugger: none
program: gazebo
model: iris
world: warehouse
src_path: /home/ubuntu/Firmware
build_path: /home/ubuntu/Firmware/build/px4_sitl_default
GAZEBO_PLUGIN_PATH :/home/ubuntu/Firmware/build/px4_sitl_default/build_gazebo
GAZEBO_MODEL_PATH :/home/ubuntu/Firmware/Tools/sitl_gazebo/models
LD_LIBRARY_PATH :/home/ubuntu/Firmware/build/px4_sitl_default/build_gazebo
/home/ubuntu/Firmware/Tools/sitl_run.sh: line 115: /home/ubuntu/Firmware/Tools/sitl_gazebo/worlds/warehouse.world: Permission denied
FAILED: platforms/posix/CMakeFiles/gazebo_iris__warehouse
cd /home/ubuntu/Firmware/build/px4_sitl_default/tmp && /home/ubuntu/Firmware/Tools/sitl_run.sh /home/ubuntu/Firmware/build/px4_sitl_default/bin/px4 none gazebo iris warehouse /home/ubuntu/Firmware /home/ubuntu/Firmware/build/px4_sitl_default
ninja: build stopped: subcommand failed.
make: *** [Makefile:219: px4_sitl_default] Error 1

if i try to make using sudo i get errors related to jinja2 ,
Any help will be appreicated.

ubuntu@ubuntu2004:~/Firmware$ sudo make px4_sitl_default gazebo_iris__warehouse
[0/4] Performing build step for ‘sitl_gazebo’
[1/11] Generating /home/ubuntu/Firmware/Tools/sitl_gazebo/models/px4flow/px4flow-gen.sdf
FAILED: /home/ubuntu/Firmware/Tools/sitl_gazebo/models/px4flow/px4flow-gen.sdf
cd /home/ubuntu/Firmware/build/px4_sitl_default/build_gazebo && /usr/bin/python3 /home/ubuntu/Firmware/Tools/sitl_gazebo/scripts/jinja_gen.py /home/ubuntu/Firmware/Tools/sitl_gazebo/models/px4flow/px4flow.sdf.jinja /home/ubuntu/Firmware/Tools/sitl_gazebo
Traceback (most recent call last):
File “/home/ubuntu/Firmware/Tools/sitl_gazebo/scripts/jinja_gen.py”, line 4, in
import jinja2
ModuleNotFoundError: No module named 'jinja2’
[2/11] Generating /home/ubuntu/Firmware/Tools/sitl_gazebo/models/r200/r200-gen.sdf
FAILED: /home/ubuntu/Firmware/Tools/sitl_gazebo/models/r200/r200-gen.sdf
cd /home/ubuntu/Firmware/build/px4_sitl_default/build_gazebo && /usr/bin/python3 /home/ubuntu/Firmware/Tools/sitl_gazebo/scripts/jinja_gen.py /home/ubuntu/Firmware/Tools/sitl_gazebo/models/r200/r200.sdf.jinja /home/ubuntu/Firmware/Tools/sitl_gazebo
Traceback (most recent call last):
File “/home/ubuntu/Firmware/Tools/sitl_gazebo/scripts/jinja_gen.py”, line 4, in
import jinja2
ModuleNotFoundError: No module named ‘jinja2’
[3/11] Generating /home/ubuntu/Firmware/Tools/sitl_gazebo/models/mb1240-xl-ez4/mb1240-xl-ez4-gen.sdf
FAILED: /home/ubuntu/Firmware/Tools/sitl_gazebo/models/mb1240-xl-ez4/mb1240-xl-ez4-gen.sdf
cd /home/ubuntu/Firmware/build/px4_sitl_default/build_gazebo && /usr/bin/python3 /home/ubuntu/Firmware/Tools/sitl_gazebo/scripts/jinja_gen.py /home/ubuntu/Firmware/Tools/sitl_gazebo/models/mb1240-xl-ez4/mb1240-xl-ez4.sdf.jinja /home/ubuntu/Firmware/Tools/sitl_gazebo
Traceback (most recent call last):
File “/home/ubuntu/Firmware/Tools/sitl_gazebo/scripts/jinja_gen.py”, line 4, in
import jinja2
ModuleNotFoundError: No module named 'jinja2’
ninja: build stopped: subcommand failed.
FAILED: external/Stamp/sitl_gazebo/sitl_gazebo-build
cd /home/ubuntu/Firmware/build/px4_sitl_default/build_gazebo && /usr/bin/cmake --build /home/ubuntu/Firmware/build/px4_sitl_default/build_gazebo
ninja: build stopped: subcommand failed.
make: *** [Makefile:219: px4_sitl_default] Error 1

This should be fixed on latest master