I think I reproduced their errors: First error: FCollada/FUtils/FUXmlDocument.cpp: In constructor ‘FUXmlDocument::FUXmlDocument(FUFileManager*, const fchar*, bool)’: FCollada/FUtils/FUXmlDocument.cpp:39:39: error: ‘xmlParseMemory’ was not declared in this scope 39 | xmlDocument = xmlParseMemory((const char*) fileData, (int)fileLength); | ^~~~~~~~~~~~~~ FCollada/FUtils/FUXmlDocument.cpp: In constructor ‘FUXmlDocument::FUXml