Have you looked at the SQL used to generate your LOV? Try running that SQL in another tool, loke TOAD or PLSQL. See what happens there. If it’s good there, but still happening in Webi, you may be encountering a bug. Perhaps it’s time to open a Tech Support case.
BTW, welcome to BOB. 
Click here to let us know how you found out about BOB. 8)
MichaelWelter 
(BOB member since 2002-08-08)