Its subscription only you might be able to read the first few articles free if you really want to!
Basically none of it was the fault of Mr Um Yeh no including the 29 day spell at Orient (played 4 lost 3 including a 3rd exit to non league opposition on the spin for him)
https://theathletic.co.uk/1634788/2020/02/27/carl-fletcher-leyton-orient-bournemouth-fa-cup/
"....he expresses regret over...the decision three years later to move to Plymouth, ahead of their financial struggles.
“I wouldn’t have gone knowing what I know now,” says Fletcher. “I was probably a bit naive.”
“We already had my eldest daughter and then we had twin daughters while I was down there, so we had three kids under two, which was difficult with no family close by,” he explains. “That was tough. And then, to add onto that, we weren’t getting paid and the club was in loads of trouble. That was a double whammy.”
Plymouth’s troubles saw them tumble from Championship to fourth tier in successive seasons, costing manager Peter Reid his job. Fletcher, the club captain, was given the job, a cheaper alternative to bringing in a more experienced man.
Fletcher kept Plymouth in the Football League, avoiding a third straight relegation by two points but there would be no Howe-style fairytale climb through the divisions to follow. He was sacked on New Year’s Day 2013, with the team sitting two points above the fourth tier’s relegation zone after one win in 13 league games.
“After we stayed up the first year, I should have just said, ‘I’ll keep playing, bring someone else in and give me a player-coach kind of role,'” he says. “But again, through probably my own naivety, my own self-belief, I thought that I could do it.
“You live and learn. But looking back, I wasn’t ready. Luckily, I came to Bournemouth, and through the under-18s and the under-21s, I learned so much. Where I am now compared to where I was then — it’s a million miles away.”"