Jeanette is offended when she notices that only masculine pronouns are used in the company's human resources manual. this decoding problem is a result of

This decoding problem is a result of "Semantic obstacle".

Semantic is the investigation of meaning, signs and images utilized for correspondence. The word is gotten from "sema", a Greek word means signs. Semantic obstacles to correspondence are the emblematic impediments that twists the sent message in some other way than intended, making the message hard to get it.