WinSeven,QSQL plugin,error

[Fastman]

with options:

configure -debug-and-release -direct3d -plugin-sql-mysql -plugin-sql-odbc -plugin-sql-psql -qt-libpng -qt-libtiff -qt-libjpeg -phonon -webkit -qt-style-windowsvista -qt-style-windowsxp -platform win32-msvc2005
nmake
nmake clean
pause

configure -debug-and-release -direct3d -plugin-sql-mysql -plugin-sql-odbc -plugin-sql-psql -qt-libpng -qt-libtiff -qt-libjpeg -phonon -webkit -qt-style-windowsvista -qt-style-windowsxp -platform win32-msvc2005
nmake
nmake clean
pause

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Code:

db = QSqlDatabase::addDatabase("QPSQL");
db.setHostName(cHost);
db.setDatabaseName(cDatabase);
db.setUserName(cUser);
db.setPassword(cPassword);
bool ok = db.open();

db = QSqlDatabase::addDatabase("QPSQL");
db.setHostName(cHost);
db.setDatabaseName(cDatabase);
db.setUserName(cUser);
db.setPassword(cPassword);
bool ok = db.open();

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As a result, we get an error: