Unable to login to the system after changing the ulimits to -1

Issue

• Unable to login to the system after changing the ulimits to -1 in /etc/security/limits.conf file:

  $ less /etc/security/limits.conf      
  *   soft    core    -1
  *   hard    core    -1
  *   soft    data    -1
  *   hard    data    -1
  *   soft    maxlogins   -1
  *   hard    maxlogins   -1
  *   soft    maxsyslogins    -1
  *   hard    maxsyslogins    -1
  

  Similarly changed the soft/hard limits for below options to -1:

  $ less /etc/security/limits.conf
  #<item> can be one of the following:
  #        - core - limits the core file size (KB)
  #        - data - max data size (KB)
  #        - fsize - maximum filesize (KB)
  #        - memlock - max locked-in-memory address space (KB)
  #        - nofile - max number of open file descriptors
  #        - rss - max resident set size (KB)
  #        - stack - max stack size (KB)
  #        - cpu - max CPU time (MIN)
  #        - nproc - max number of processes
  #        - as - address space limit (KB)
  #        - maxlogins - max number of logins for this user
  #        - maxsyslogins - max number of logins on the system
  #        - priority - the priority to run user process with
  #        - locks - max number of file locks the user can hold
  #        - sigpending - max number of pending signals
  #        - msgqueue - max memory used by POSIX message queues (bytes)
  #        - nice - max nice priority allowed to raise to values: [-20, 19]
  #        - rtprio - max realtime priority