The Timeline Error Incident (PROSE: TARDIS Type 40 Instruction Manual [+]Loading...["TARDIS Type 40 Instruction Manual (reference book)"]) was the Time Lords' designation for the event in which the Twelfth Doctor and the First Doctor met at the South Pole just prior to their respective regenerations. (TV: Twice Upon a Time [+]Loading...["Twice Upon a Time (TV story)"])