Added missing variable check function.
Added missing variable check function.

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