make get-kubeconfig not working

Created by: berendt

config                                                                                                     100%   11KB 423.5KB/s   00:00
gardener-poc.yaml                                                                                          100% 5590   238.9KB/s   00:00
clusterctl.yaml                                                                                            100% 5927   305.3KB/s   00:00
gardener-poc-config.yaml                                                                                   100% 8843   312.8KB/s   00:00
sed: 1: "clusterctl.gardener-poc ...": command c expects \ followed by text
sed: 1: ".kubeconfig.wavestack": invalid command code .
make: *** [get-kubeconfig] Error 1