I've had success with this resolving lookup issues where data was showing up in the wrong columns. I've never seen it where nothing shows up. Make sure you have a good backup before trying it.
1.Select File, Run.
2.Enter SYZCON in the Program field
3.Click OK.
4.At the prompt, enter O=NEW(""SY_ACTIVATION_BUS"",%SYS_SS)
5.Press ENTER.
6.At the prompt, enter PRINT O'ACTIVATE(""y/y"",""xxx"")
oy/y = module code (for example: A/R,S/O, C/I, I/M)
oxxx = company code
o1 is returned if the command was successful
o0 is returned if the command failed
7.At the prompt, enter bye
8.Press ENTER.