When I ran the code for camera calibration provided by this link samples/cpp/tutorial_code/calib3d/camera_calibration/
I got some errors, which are listed below:
'Project1.exe' (Win32): Loaded 'E:\project\Project1\x64\Debug\Project1.exe'. Symbols loaded. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\ntdll.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\kernel32.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\KernelBase.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'E:\opencv\build\x64\vc15\bin\opencv_world400d.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\gdi32.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\gdi32full.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\msvcp_win.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\ucrtbase.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\user32.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\win32u.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\ole32.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\combase.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\rpcrt4.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\bcryptprimitives.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\sechost.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\oleaut32.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\comdlg32.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\msvcrt.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\SHCore.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\shlwapi.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\shell32.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\cfgmgr32.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\windows.storage.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\advapi32.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\kernel.appcore.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\profapi.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\powrprof.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\fltLib.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\msvcp140d.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\vcruntime140d.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\ucrtbased.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\msvfw32.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\avifil32.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\avicap32.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\WinSxS\amd64_microsoft.windows.common-controls_6595b64144ccf1df_5.82.17134.472_none_f9558ad13092c43c\comctl32.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\concrt140d.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\mfplat.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\mf.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\mfreadwrite.dll'. Cannot find or open the PDB file. 'Project1.exe' (Win32): Loaded 'C:\Windows\System32\d3d11.dll'. Cannot find or open the PDB file. Exception thrown at 0x00007FFF77EDA458 (ntdll.dll) in Project1.exe: 0xC0000139: Entry Point Not Found. The thread 0x84e8 has exited with code -1073741511 (0xc0000139). The thread 0x20ac has exited with code -1073741511 (0xc0000139). The program '[23812] Project1.exe' has exited with code -1073741511 (0xc0000139) 'Entry Point Not Found'.
How can I get rid of these errors? Thanks for any help.