The document is archived and information here might be outdated
Compiler Warning (level 3) C4622
Error MessageOverwriting debug information formed during creation of the precompiled header in object file: 'file'
CodeView information in the specified file was lost when it was compiled with the /Yu (Use Precompiled Headers) option.
Rename the object file (using /Fo) when creating or using the precompiled header file, and link using the new object file.