Ploblems when add, edit or remore forum

[Jorgemen]

Hello, Please Help Me

I was adding new forums normally, but at any moment cease to view the created forums, apparently vB didn't create forums, but I went to see my database and the forums were created, I think rebuild datastore dont work.

When I press in save display order button the problem is Fixed, but when I try to create again a new Forum I have the problem again and I try to fixed pressing over display order button but this show blank page........ so I have to remove from database the last forum created and the problem is fixed again, I dont know what happens, please I need your Help.

--------------- Added [DATE]1234931324[/DATE] at [TIME]1234931324[/TIME] ---------------

I noticed something when I delete 5 rows from table forum, the problem is fixed and I haven't problem to create 5 new rows, I have 1104 rows in my table forum will have something to do?