CMake Error at .*/Modules/ExternalData\.cmake:[0-9]+ \(message\):
  Recurse option "RECURSE:" allowed only with directories\.
Call Stack \(most recent call first\):
  .*
  BadRecurse2\.cmake:[0-9]+ \(ExternalData_Expand_Arguments\)
  CMakeLists\.txt:[0-9]+ \(include\)
