Ironic Error Meaning

Example: Used other than as an idiom: see ironic,‎ error.
A blunder that occurs as the result of a strenuous effort to avoid it, such as spilling a drink because one is concentrating on not doing so.
2001, Giora Hon & Sam S. Rakover, Explanation: Theoretical Approaches and Applications, ISBN 1-4020-001700:
  Counter intentional or ironic error is a further example of the delinking of intentional thought processes and behavior.