@oristarA,
Giving the seriousness of the document, it is a mistake that should be carefully steered clear of.
It sounds odd in the passive, Ori.
Given the seriousness of the document, it is a mistake that one should carefully steer clear of.
Given the seriousness of the document, it is a mistake that one should studiously avoid.
Giving the seriousness of the document, it is a mistake that a body should carefully steer clear of.