INTERNAL PROGRAMMING ERROR

EDIT: Problem solved. 

Hi,

I am trying to perform a simple 3D beam non-linear bending analysis and get the following error int he attached .out file.

I have attached the .fem for reference. Can anyone help me out?

 
 *** INTERNAL PROGRAMMING ERROR ***
   in file 'hexa8_bb_ls.F', at location # 158.
  
       ioerr(1) =        995
 ****  ABORTING RUN DUE TO AN INTERNAL ERROR  ****