[MSDN Library June 1998] You cannot perform a merge on a binary file, or a file that stores latest version only (100%)

MSDN Library Visual Studio 6.0 > Visual SourceSafe Documentation > Reference Guide > Error Messages

[MSDN Library June 1998] You cannot modify the properties of a file that's checked out (86.046511627907%)

MSDN Library Visual Studio 6.0 > Visual SourceSafe Documentation > Reference Guide > Error Messages

[MSDN Library June 1998] You cannot change the Admin name or access privileges (84.0116279069767%)

MSDN Library Visual Studio 6.0 > Visual SourceSafe Documentation > Reference Guide > Error Messages

[MSDN Library June 1998] You cannot set the Store Latest Version flag for the file (84.0116279069767%)

MSDN Library Visual Studio 6.0 > Visual SourceSafe Documentation > Reference Guide > Error Messages

[MSDN Library June 1998] You cannot merge a branch with itself (83.7209302325581%)

MSDN Library Visual Studio 6.0 > Visual SourceSafe Documentation > Reference Guide > Error Messages