Damage Log Error

[ERROR] addons/damagelog-master/lua/cl_tabs/old_logs.lua:50: attempt to concatenate field ‘date’ (a nil value)

  1. UpdateDates - addons/damagelog-master/lua/cl_tabs/old_logs.lua:50
  2. func - addons/damagelog-master/lua/cl_tabs/old_logs.lua:241
    3. unknown - lua/includes/modules/net.lua:31

Im unsure how to fix this

ask tommynator