Data and Query filter Issues in WEBI?

Hi,

I m facing two major problems in WEBI.

1. When i execute a WEBI report it is showing that WEBi can bring only 30000 records and not more than that. is there any way i can allow more than 30000 records in a WEBI output?

2. I have some BEx query variables and i used then in my WEBI report. all the variables are optional variables. when i want to edit the report to bring some extra fields into table, variables are pop-up is coming up. i dont know why the variables pop-up is coming for editing ? is there any way to remove this?

Please help me this is very high priority issues and it is effecting my development.

Thanks