docker build error

[jiyooonp]

Hello,
I was trying to build the dockerfile but encountered this error.

`6.618 | ^~~~~~~~~~
18.68 [100%] Linking CXX shared library ../lib/libg2o.so
18.79 [100%] Built target g2o
18.80 Uncompress vocabulary ...
19.44 Configuring and building ORB_SLAM2 ...
19.51 -- The C compiler identification is GNU 9.4.0
19.58 -- The CXX compiler identification is GNU 9.4.0
19.58 -- Check for working C compiler: /usr/bin/cc
19.67 -- Check for working C compiler: /usr/bin/cc -- works
19.67 -- Detecting C compiler ABI info
19.76 -- Detecting C compiler ABI info - done
19.77 -- Detecting C compile features
19.77 -- Detecting C compile features - done
19.77 -- Check for working CXX compiler: /usr/bin/c++
19.86 -- Check for working CXX compiler: /usr/bin/c++ -- works
19.86 -- Detecting CXX compiler ABI info
19.96 -- Detecting CXX compiler ABI info - done
19.97 -- Detecting CXX compile features
19.97 -- Detecting CXX compile features - done
19.97 Build type: Release
19.97 -- Performing Test COMPILER_SUPPORTS_CXX11
20.08 -- Performing Test COMPILER_SUPPORTS_CXX11 - Success
20.08 -- Performing Test COMPILER_SUPPORTS_CXX0X
20.18 -- Performing Test COMPILER_SUPPORTS_CXX0X - Success
20.18 -- Using flag -std=c++11.
20.20 CMake Error at CMakeLists.txt:35 (message):
20.20 OpenCV > 2.4.3 not found.
20.20
20.20
20.20 -- Configuring incomplete, errors occurred!
20.20 See also "/root/ORB_SLAM2/build/CMakeFiles/CMakeOutput.log".
20.21 make: *** No targets specified and no makefile found. Stop.
20.21 make: *** No rule to make target 'install'. Stop.

Dockerfile:94

93 | RUN chmod +x $HOME/scripts/build.sh
94 | >>> RUN /bin/bash -c 'export LD_LIBRARY_PATH=~/Pangolin/build/src/:$LD_LIBRARY_PATH;
95 | >>> bash $HOME/scripts/build.sh'
96 |

ERROR: failed to solve: process "/bin/bash -c /bin/bash -c 'export LD_LIBRARY_PATH=~/Pangolin/build/src/:$LD_LIBRARY_PATH; bash $HOME/scripts/build.sh'" did not complete successfully: exit code: 2
`
Could you help me with this? Thank you