problem running the program on Xcode 12

[Akbonline]

Multiple commands produce '/Users/akshatbajpai/Library/Developer/Xcode/DerivedData/orbslamios-ejeftygkwmlxkyglylcunlaicbea/Build/Products/Debug-iphoneos/orbslamios.app/CMakeLists.txt':

1. Target 'orbslamios' (project 'orbslamios') has copy command from '/Users/akshatbajpai/Downloads/ORB_SLAM-IOS-master/orbslamios/ORB_SLAM/Thirdparty/DBoW2/CMakeLists.txt' to '/Users/akshatbajpai/Library/Developer/Xcode/DerivedData/orbslamios-ejeftygkwmlxkyglylcunlaicbea/Build/Products/Debug-iphoneos/orbslamios.app/CMakeLists.txt'
2. Target 'orbslamios' (project 'orbslamios') has copy command from '/Users/akshatbajpai/Downloads/ORB_SLAM-IOS-master/orbslamios/ORB_SLAM/Thirdparty/g2o/CMakeLists.txt' to '/Users/akshatbajpai/Library/Developer/Xcode/DerivedData/orbslamios-ejeftygkwmlxkyglylcunlaicbea/Build/Products/Debug-iphoneos/orbslamios.app/CMakeLists.txt'
3. Target 'orbslamios' (project 'orbslamios') has copy command from '/Users/akshatbajpai/Downloads/ORB_SLAM-IOS-master/orbslamios/ORB_SLAM/Thirdparty/g2o/g2o/CMakeLists.txt' to '/Users/akshatbajpai/Library/Developer/Xcode/DerivedData/orbslamios-ejeftygkwmlxkyglylcunlaicbea/Build/Products/Debug-iphoneos/orbslamios.app/CMakeLists.txt'
4. Target 'orbslamios' (project 'orbslamios') has copy command from '/Users/akshatbajpai/Downloads/ORB_SLAM-IOS-master/orbslamios/ORB_SLAM/Thirdparty/g2o/g2o/core/CMakeLists.txt' to '/Users/akshatbajpai/Library/Developer/Xcode/DerivedData/orbslamios-ejeftygkwmlxkyglylcunlaicbea/Build/Products/Debug-iphoneos/orbslamios.app/CMakeLists.txt'
5. Target 'orbslamios' (project 'orbslamios') has copy command from '/Users/akshatbajpai/Downloads/ORB_SLAM-IOS-master/orbslamios/ORB_SLAM/Thirdparty/g2o/g2o/solvers/CMakeLists.txt' to '/Users/akshatbajpai/Library/Developer/Xcode/DerivedData/orbslamios-ejeftygkwmlxkyglylcunlaicbea/Build/Products/Debug-iphoneos/orbslamios.app/CMakeLists.txt'
6. Target 'orbslamios' (project 'orbslamios') has copy command from '/Users/akshatbajpai/Downloads/ORB_SLAM-IOS-master/orbslamios/ORB_SLAM/Thirdparty/g2o/g2o/solvers/cholmod/CMakeLists.txt' to '/Users/akshatbajpai/Library/Developer/Xcode/DerivedData/orbslamios-ejeftygkwmlxkyglylcunlaicbea/Build/Products/Debug-iphoneos/orbslamios.app/CMakeLists.txt'
7. Target 'orbslamios' (project 'orbslamios') has copy command from '/Users/akshatbajpai/Downloads/ORB_SLAM-IOS-master/orbslamios/ORB_SLAM/Thirdparty/g2o/g2o/solvers/dense/CMakeLists.txt' to '/Users/akshatbajpai/Library/Developer/Xcode/DerivedData/orbslamios-ejeftygkwmlxkyglylcunlaicbea/Build/Products/Debug-iphoneos/orbslamios.app/CMakeLists.txt'
8. Target 'orbslamios' (project 'orbslamios') has copy command from '/Users/akshatbajpai/Downloads/ORB_SLAM-IOS-master/orbslamios/ORB_SLAM/Thirdparty/g2o/g2o/stuff/CMakeLists.txt' to '/Users/akshatbajpai/Library/Developer/Xcode/DerivedData/orbslamios-ejeftygkwmlxkyglylcunlaicbea/Build/Products/Debug-iphoneos/orbslamios.app/CMakeLists.txt'
9. Target 'orbslamios' (project 'orbslamios') has copy command from '/Users/akshatbajpai/Downloads/ORB_SLAM-IOS-master/orbslamios/ORB_SLAM/Thirdparty/g2o/g2o/types/CMakeLists.txt' to '/Users/akshatbajpai/Library/Developer/Xcode/DerivedData/orbslamios-ejeftygkwmlxkyglylcunlaicbea/Build/Products/Debug-iphoneos/orbslamios.app/CMakeLists.txt'
10. Target 'orbslamios' (project 'orbslamios') has copy command from '/Users/akshatbajpai/Downloads/ORB_SLAM-IOS-master/orbslamios/ORB_SLAM/Thirdparty/g2o/g2o/types/sba/CMakeLists.txt' to '/Users/akshatbajpai/Library/Developer/Xcode/DerivedData/orbslamios-ejeftygkwmlxkyglylcunlaicbea/Build/Products/Debug-iphoneos/orbslamios.app/CMakeLists.txt'
11. Target 'orbslamios' (project 'orbslamios') has copy command from '/Users/akshatbajpai/Downloads/ORB_SLAM-IOS-master/orbslamios/ORB_SLAM/Thirdparty/g2o/g2o/types/sim3/CMakeLists.txt' to '/Users/akshatbajpai/Library/Developer/Xcode/DerivedData/orbslamios-ejeftygkwmlxkyglylcunlaicbea/Build/Products/Debug-iphoneos/orbslamios.app/CMakeLists.txt'
12. Target 'orbslamios' (project 'orbslamios') has copy command from '/Users/akshatbajpai/Downloads/ORB_SLAM-IOS-master/orbslamios/ORB_SLAM/Thirdparty/g2o/g2o/types/slam3d/CMakeLists.txt' to '/Users/akshatbajpai/Library/Developer/Xcode/DerivedData/orbslamios-ejeftygkwmlxkyglylcunlaicbea/Build/Products/Debug-iphoneos/orbslamios.app/CMakeLists.txt'