The phrase "admit his errors" is correct and usable in written English.
It can be used when discussing someone acknowledging their mistakes or faults.
Example: "After reviewing the project, he had to admit his errors in judgment that led to the failure."
Alternatives: "acknowledge his mistakes" or "confess his faults."
For the rest of his life, he refused either to admit his errors over Suez or to offer any public apology.
Instead, it leaves open the possibility that some sort of public confession in which Comey would "admit his errors" might be an alternative, in terms of restoring "trust".
When Huggins fined the Babe $5,000 and suspended him indefinitely for drinking and "a lot of other things" near the end of the 1925 season, Ruth appealed to Ruppert, who at the time said: "It is up to him to see Huggins, admit his errors and apologize for his hotheadedness.
There can be little doubt that Poincaré, with his much greater command of mathematics, won much of the debate, as Russell, with his characteristic willingness to admit his errors, was willing to concede.
Having refused to admit his errors, the Director cannot be expected to implement the necessary corrective actions.
A senior official who lacks the integrity to admit his errors and learn from them is unqualified to serve in any capacity.
Finally, Mr. Nixon stumbled into a parliamentary error — it consisted of recognizing Senator Anderson, of New Mexico, when Senator Johnson had the floor — and had to admit his error.
In his resignation speech, Clegg refused to admit his error, saying, "I believe the history books will judge our party kindly for the service we sought to provide to the nation at a time of great economic difficulty".
In his "Book of the Divine," Attar imagined a clairvoyant, standing over Khayyam's grave, seeing the great intellectual "bathing in his sweat for shame and confusion," having to admit his error.
