| CMake Error at .*/Modules/ExternalData\.cmake:[0-9]+ \(message\): | |
| Bad %\(algo:\) in URL template: | |
| file:///path/to/%\(algo:\)/%\(hash\) | |
| The transform name must be a valid C identifier\. | |
| Call Stack \(most recent call first\): | |
| BadAlgoMap1\.cmake:[0-9]+ \(ExternalData_Add_Target\) | |
| CMakeLists\.txt:[0-9]+ \(include\) |