Could not acquire a lock

Hello,

I'm trying to activate and smartform but every time I'm getting this dump:

Error Text of the Database: "[ASE Error SQL12205]Could not acquire a lock

within the specified wait period. SERVER level wait period=2400 seconds,

spid=259, lock type=exclusive row, dbid=4, objid=1260735642, pageno=5821264,

rowno=5. Aborting the transaction.#"

I've checked the LWM and HWM, and this paramteres have default value 2147483647.