[horde] DB & PHP Problem

[Abuthiab Motaz]

Can someone tell me what is the error ?

Notice: Use of undefined constant DB_PORTABILITY_LOWERCASE - assumed 
'DB_PORTABILITY_LOWERCASE' in 
/home/7152172568/www/web/horde3/lib/Horde/Prefs/sql.php on line 388

Notice: Use of undefined constant DB_PORTABILITY_ERRORS - assumed 
'DB_PORTABILITY_ERRORS' in 
/home/7152172568/www/web/horde3/lib/Horde/Prefs/sql.php on line 388

Notice: Use of undefined constant DB_PORTABILITY_LOWERCASE - assumed 
'DB_PORTABILITY_LOWERCASE' in 
/home/7152172568/www/web/horde3/lib/Horde/DataTree/sql.php on line 1321

Notice: Use of undefined constant DB_PORTABILITY_ERRORS - assumed 
'DB_PORTABILITY_ERRORS' in 
/home/7152172568/www/web/horde3/lib/Horde/DataTree/sql.php on line 1321

Notice: Use of undefined constant DB_PORTABILITY_LOWERCASE - assumed 
'DB_PORTABILITY_LOWERCASE' in 
/home/7152172568/www/web/horde3/lib/Horde/DataTree/sql.php on line 1321

Notice: Use of undefined constant DB_PORTABILITY_ERRORS - assumed 
'DB_PORTABILITY_ERRORS' in 
/home/7152172568/www/web/horde3/lib/Horde/DataTree/sql.php on line 1321


I have installed horde from the cvs


regards
Motaz