Creating an empty file `src/modules/topos_htable/README` allows the installation to complete without errors.
``` $ ninja install
[..]
CMake Error at src/modules/cmake_install.cmake:1588 (file): file INSTALL cannot find "/usr/src/kamailio/src/modules/topos_htable/README": No such file or directory. Call Stack (most recent call first): src/cmake_install.cmake:96 (include) cmake_install.cmake:47 (include)
FAILED: CMakeFiles/install.util cd /usr/src/kamailio/build && /usr/bin/cmake -P cmake_install.cmake ninja: build stopped: subcommand failed.
$ touch ../src/modules/topos_htable/README && ninja install && echo $?
[..]
0 ```