PROBLEM WITH THIS

kinopy ko yung nag post ng struc tapus nilagyan ko nalang ng XYZ pero eto ang error bakit kaya firts time ko gumawa opk eh hehehe



1>------ Build started: Project: Firts, Configuration: Debug Win32 ------
1>Compiling...
1>OPK FIRR.cpp
1>f:\users\ian\documents\visual studio 2008\projects\firts\firts\opk firr.cpp(52) : error C2065: 'nsPlayerOPK1' : undeclared identifier
1>f:\users\ian\documents\visual studio 2008\projects\firts\firts\opk firr.cpp(52) : error C2065: 'nsPlayerOPK1' : undeclared identifier
1>f:\users\ian\documents\visual studio 2008\projects\firts\firts\opk firr.cpp(59) : error C2065: 'nsPlayerOPK1' : undeclared identifier
1>f:\users\ian\documents\visual studio 2008\projects\firts\firts\opk firr.cpp(59) : error C2065: 'nsPlayerOPK1' : undeclared identifier
1>f:\users\ian\documents\visual studio 2008\projects\firts\firts\opk firr.cpp(69) : error C2065: 'nsPlayerOPK1' : undeclared identifier
1>f:\users\ian\documents\visual studio 2008\projects\firts\firts\opk firr.cpp(72) : error C2065: 'nsPlayerOPK1' : undeclared identifier
1>f:\users\ian\documents\visual studio 2008\projects\firts\firts\opk firr.cpp(77) : error C2065: 'OPKSaveX' : undeclared identifier
1>f:\users\ian\documents\visual studio 2008\projects\firts\firts\opk firr.cpp(78) : error C2065: 'OPKSaveY' : undeclared identifier
1>f:\users\ian\documents\visual studio 2008\projects\firts\firts\opk firr.cpp(79) : error C2065: 'OPKSaveZ' : undeclared identifier
1>f:\users\ian\documents\visual studio 2008\projects\firts\firts\opk firr.cpp(82) : error C2065: 'OFS_Nfd' : undeclared identifier
1>f:\users\ian\documents\visual studio 2008\projects\firts\firts\opk firr.cpp(83) : error C2065: 'ADR_AutoHead' : undeclared identifier
1>f:\users\ian\documents\visual studio 2008\projects\firts\firts\opk firr.cpp(98) : error C3861: 'OPKSAVESPOT': identifier not found
1>f:\users\ian\documents\visual studio 2008\projects\firts\firts\opk firr.cpp(103) : error C2065: 'OPKSaveX' : undeclared identifier
1>f:\users\ian\documents\visual studio 2008\projects\firts\firts\opk firr.cpp(104) : error C2065: 'OPKSaveY' : undeclared identifier
1>f:\users\ian\documents\visual studio 2008\projects\firts\firts\opk firr.cpp(105) : error C2065: 'OPKSaveZ' : undeclared identifier
1>f:\users\ian\documents\visual studio 2008\projects\firts\firts\opk firr.cpp(112) : error C2065: 'OPKSaveX' : undeclared identifier
1>f:\users\ian\documents\visual studio 2008\projects\firts\firts\opk firr.cpp(113) : error C2065: 'OPKSaveY' : undeclared identifier
1>f:\users\ian\documents\visual studio 2008\projects\firts\firts\opk firr.cpp(114) : error C2065: 'OPKSaveZ' : undeclared identifier
1>Build log was saved at "file://f:\Users\ian\Documents\Visual Studio 2008\Projects\Firts\Firts\Debug\BuildLog.htm"
1>Firts - 18 error(s), 0 warning(s)
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========