The phrase "primary errors" is correct and usable in written English.
You can use it to refer to the most severe or important errors made in a process or system. For example, "The primary errors resulting from the data analysis have caused significant delays in the project."
Michael Lopp, flagged 'taking on too much' as a primary error for most new managers.
Multipath is one of the primary error sources in high precision GNSS applications.
The results indicated that the Doppler biases introduced by along-ray velocity error and GNOS clock error were the primary error sources for FY3-C occultation mission.
The primary error of Christianity, according to Feuerbach, was that it took human predicates and projected them into another world as if they constituted an independent being.
Any comparison between the American situation and ours is a primary error from someone who never ruled before," he reportedly said.
In Christgau's 1967 column for Esquire magazine, he described Sgt. Pepper as "a consolidation, more intricate than Revolver but not more substantial", suggesting that Goldstein had fallen "victim to overanticipation", identifying his primary error as "allow[ing] all the filters and reverbs and orchestral effects and overdubs to deafen him to the stuff underneath, which was pretty nice".
Errors were characterized by comparison to the known reference sequences (see methods), showing that the primary error mode was insertions, at 12%, followed by deletions, 2% and apparent mismatch errors at 1%.
Since insertions and deletions are the primary error mode of Pacific Biosciences, we allowed sites to have up to 50% deletions with the parameter -deletions 0.8 and because the average quality scores for bases present ranged from 20 24 we allowed the minimum base quality score to be Q10 (PHRED-scaled) with the parameter -mbq 10.
