Added validations and error logging
Added validations and error logging

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