Database error 18

Dear friends
Because SPCO /AB3W/GSK:2 was error, I want to remove it but it occur error 18.
Please see the pic.
Can anybody tell me what can I do??

 

[FONT=arial black][COLOR=#0000ff]Go For a dice check on PARADIM/EVA_SPEC_PIPE[/COLOR][/FONT][/SIZE][FONT=arial black][SIZE=2][COLOR=#0000ff][/COLOR][/FONT]

How can I execute dice check, deva?
Thanks for your help!

I found it in Admin.@@