The phrase "a series of incorrect" is correct and usable in written English.
It can be used when referring to multiple instances or examples that are not correct or accurate.
Example: "The report contained a series of incorrect assumptions that led to flawed conclusions."
Alternatives: "a number of erroneous" or "multiple inaccurate".
"We are therefore disappointed that this report demonstrates a lack of understanding of our admissions process and makes a series of incorrect and unjustified criticisms and recommendations.
The Palm Beach Board failed to count numerous votes cast for presidential candidates, because it applied a series of incorrect legal standards.
In one of the earliest videos, Miranda pompously demonstrates a series of incorrect singing tips with her eyebrows arched, her mouth twisted into a quivering operatic "O," and her voice pitched deliciously off-key.
The First Minister claimed the IFS had made a series of incorrect assumptions in its calculations, which examined the impact of the pledges made in the SNP, Tory, Labour and Liberal Democrat manifestos.
Rajat Gupta, a former Goldman Sachs board member, has asked a federal appeals court to reverse his conviction on insider trading charges, arguing that a judge made a series of incorrect rulings during his trial.
Mr. Waxman tried to convince the three-judge panel — Jon O. Newman, Amalya L. Kearse and Rosemary S. Pooler — that the lower court had made a series of incorrect rulings at trial.
In a series of grammatically incorrect answers to queries that were not specifically asked to him, he describes Cary Grant as "a dear friend" and declares Michael Jackson "the Mona Lisa of Performance Art".
After receiving new evidence, Dr Patel compiled a second post-mortem report but again made a series of mistakes and incorrect conclusions, according to the panel.
After receiving new evidence, Dr Patel compiled a second post-mortem report on the same day, April 6 2010, but again made a series of mistakes and incorrect conclusions, according to the panel.
His second postmortem report also contained a series of mistakes and incorrect conclusions, according to the panel, who found him to be dishonest as he did not identify changes made to his first report referring to the injuries to Tomlinson's liver.
The report found "a series of tragic errors" including incorrect installations of gas pipelines, flawed testings and significant clinical and management failures caused the deadly error.
