"ignorance of basic" is a correct and usable phrase in written English.
It can be used to describe a lack of knowledge in a certain area. For example: "The candidate's ignorance of basic economic principles made the hiring committee hesitant to offer them the job."
"He continues to display an alarming ignorance of basic facts of contemporary international politics".
Even an old atheist like me sees no good in this ignorance of basic Christian myths.
Even longtime colleagues confess ignorance of basic biographical details, like her age and where she grew up.
And his ignorance of basic health-care-policy details hampered efforts to win over public support for the repeal effort.
"It's even more essential now".Lynn Turner, a former chief accountant at the SEC, is aghast at the ignorance of basic accounting principles in many companies.
Anecdotal evidence suggests that Egypt's high rate of traffic accidents, for instance, may be largely due to ignorance of basic rules.
In this review some issues were considered, such as poverty, ignorance, lack of basic medical knowledge, lack of psychological therapy and financial difficulties as possible risks factors to HRQoL, reality not experienced by other study populations in developed countries.
Even apart from ignorance of the basic facts, most people simply do not think politically.
Could the Supreme Court be undermining its legitimacy through its ignorance of some basic tenets of social psychology?
One of the biggest problems is not just the unwillingness of victims to complain, but their ignorance of their basic rights.
The NFU's ignorance of these basic facts reinforces the longstanding suspicion that farmers' leaders know next to nothing about the natural world.
