Fixed syntax error with unique columns.
Fixed syntax error with unique columns.

eliasp/otrs,mburggraf/otrs,moritz/otrs,balazj/otrs,PortgasDAce/otrs,MBRG/otrs,MBRG/otrs,noritnk/otrs,s7design/otrs,thorsteneckel/otrs,linearregression/otrs,nilei/otrs,thorsteneckel/otrs,vlascoder/otrs,MBRG/otrs,rudy500/otrs,StCyr/otrs,MBRG/otrs,rudy500/otrs,eliasp/otrs,capeit-tto/otrs,eliasp/otrs,PortgasDAce/otrs,PortgasDAce/otrs,linearregression/otrs,xhoy/otrs,oiami/otrs,moritz/otrs,balazj/otrs,muehlbauer/otrs,rudy500/otrs,PortgasDAce/otrs,capeit-tto/otrs,linearregression/otrs,mburggraf/otrs,xhoy/otrs,brandonshults01/otrs,muehlbauer/otrs,brandonshults01/otrs,StCyr/otrs,noritnk/otrs,muehlbauer/otrs,muehlbauer/otrs,vlascoder/otrs,linearregression/otrs,nilei/otrs,thorsteneckel/otrs,crythias/otrs,thorsteneckel/otrs,s7design/otrs,linearregression/otrs,oiami/otrs,crythias/otrs,oiami/otrs,xhoy/otrs,brandonshults01/otrs,oiami/otrs,noritnk/otrs,mburggraf/otrs,mbeijen/otrs-1,xhoy/otrs,nilei/otrs,moritz/otrs,balazj/otrs,muehlbauer/otrs,crythias/otrs,rudy500/otrs,mburggraf/otrs,PortgasDAce/otrs,s7design/otrs,balazj/otrs,capeit-tto/otrs,mbeijen/otrs-1,rudy500/otrs,crythias/otrs,nilei/otrs,mbeijen/otrs-1,moritz/otrs,nilei/otrs,StCyr/otrs,moritz/otrs,oiami/otrs,eliasp/otrs,thorsteneckel/otrs,xhoy/otrs,mburggraf/otrs,vlascoder/otrs,brandonshults01/otrs,brandonshults01/otrs,StCyr/otrs,eliasp/otrs,MBRG/otrs,StCyr/otrs,s7design/otrs,crythias/otrs,s7design/otrs,balazj/otrs