Installation error on v2.7

When installing from branch releases/2.7 I get an error about a missing file:

CMake Error at dune/pdelab/solver/cmake_install.cmake:46 (file):
  file INSTALL cannot find
  "/tmp/dune-pdelab-2.7-20210201-22598-1am47nb/dune-pdelab-releases-2.7/dune/pdelab/solver/newtonlinesearch.hh":
  No such file or directory.
Call Stack (most recent call first):
  dune/pdelab/cmake_install.cmake:61 (include)
  cmake_install.cmake:113 (include)