Wimbledon organizers have apologized and explained that “human error” was the reason behind the electronic line-calling system being turned off during a match on Sunday.

Wimbledon's automated line-calling technology malfunctioned on Sunday and robbed Anastasia Pavlyuchenkova of a point in her round of 16 clash with Britain's Sonay Kartal.

The umpire who officiated the fourth-round match that featured a controversial line call is having a “rest day” on Monday, according to the All England Club 's chief executive.

The All England Club said the chair umpire who faced criticism for his decision following a malfunction of the Electronic Line Calling system was merely following protocols and his absence from the schedule on Monday was due to his rest day.

Wimbledon umpire Nico Helwerth failed to overrule the electronic line calling when the system went down on Centre Court during Anastasia Pavlyuchenkova's win