I'm seeing this error when building the mysql blueprint:
PS C:\kde> craft mysql ============================================================================================================================================================================================================================================= *** Handling package: binary/mysql, action: all *** *** Action: fetch for binary/mysql *** *** Action: unpack for binary/mysql *** Digests for 5.7.18: (['bcd89314c51bc920d2351976bb34de10f1081b52501fe9b0eb598826227ef224'], CraftHash.HashAlgorithm.SHA256) executing command: C:\kde\dev-utils\bin\7za.exe x -r -y -oC:\kde\build\binary\mysql\work C:\kde\download\mysql-5.7.18-winx64.zip -bso2 -bsp1 *** Action: compile for binary/mysql *** *** Action: cleanimage for binary/mysql *** *** Action: install for binary/mysql *** [Errno 2] No such file or directory: 'C:\\kde\\build\\binary\\mysql\\work\\mysql-5.7.18-winx64\\lib\\libmysqld.dll' Traceback (most recent call last): File "C:\kde\craft\bin\craft.py", line 427, in <module> success = main() File "C:\kde\craft\bin\craft.py", line 416, in main if not run(package, action, tempArgs, package.children.values()): File "C:\kde\craft\bin\craft.py", line 221, in run directTargets=directTargets): File "C:\kde\craft\bin\craft.py", line 121, in handlePackage success = success and doExec(package, "install") File "C:\kde\craft\bin\craft.py", line 98, in doExec ret = package.instance.execute(action) File "C:\kde\craft\bin\Package\PackageBase.py", line 175, in execute return self.runAction(command) File "C:\kde\craft\bin\Package\PackageBase.py", line 264, in runAction ok = getattr(self, functions[command])() File "C:\kde\etc\blueprints\locations\craft-kde\binary\mysql\mysql.py", line 37, in install os.path.join(self.installDir(), "bin", "libmysqld.dll")) File "C:\Program Files (x86)\Python36\lib\shutil.py", line 241, in copy copyfile(src, dst, follow_symlinks=follow_symlinks) File "C:\Program Files (x86)\Python36\lib\shutil.py", line 120, in copyfile with open(src, 'rb') as fsrc: FileNotFoundError: [Errno 2] No such file or directory: 'C:\\kde\\build\\binary\\mysql\\work\\mysql-5.7.18-winx64\\lib\\libmysqld.dll'