What does the cryptic crossword clue "Ignoring advice on a reorganisation (9)" mean?

The definition is "Ignoring". The wordplay uses an anagram. anagram of ADVICE + ON + A = AVOIDANCE; definition: "Ignoring" The answer is AVOIDANCE.

Ignoring advice on a reorganisation (9)

Times Cryptic #28303 | 10 Across | 2022-05-30 flower