the balancer has encountered an error : Data transfer error: ExceededTimeLimit: Failed to delete orphaned

hi gus, my mongodb is use shard mode,

now , the balancer has encountered an error : Data transfer error: ExceededTimeLimit: Failed to delete orphaned

when i move the chunk in manual , asol encountered the same error

sh.moveChunk(“xxxxxxx”, { “_id”: “xxxxx” }, “rep_shard1” )

anybody can help me , ths

who can help me

did i ask the wrong place