Ic-stable-structure error

Developers Rust
1

received an error:

The replica returned a replica error: reject code CanisterError, reject message Canister be2us-64aaa-aaaaa-qaabq-cai trapped explicitly: Panicked at 'called `Result::unwrap()` on an `Err` value: Custom(Fail to decode argument 0

Caused by:
    Subtyping error: field trade_id is not optional field)', src/localicpCore/src/types/offer.rs:85:39, error code None

#[derive(CandidType, Serialize, Clone, Deserialize, Debug)]
pub struct TradeDetails {
    pub created_at: u64,
    pub time_limit: u64,
    pub trade_id: u128,
    pub rate: u32,
    pub token: Principal,
    pub currency: String,
    pub total_token_amount: u128,
    pub total_amount_to_be_paid: u128,
    pub escrow_id: Option<u128>,
    pub seller: Principal,
    pub buyer: Principal,
    pub selected_payment_method: String,
    pub msg_count: u32,
    pub msgs: HashMap<u32, MessageDetails>,
    pub buyer_marked_payment_at: Option<u64>,
    pub seller_released_at: Option<u64>,
}

impl Storable for TradeDetails {
    fn from_bytes(bytes: std::borrow::Cow<[u8]>) -> Self {
        Decode!(bytes.as_ref(), Self).unwrap()
    }

    fn to_bytes(&self) -> std::borrow::Cow<[u8]> {
        std::borrow::Cow::Owned(Encode!(self).unwrap())
    }

    const BOUND: Bound = Bound::Unbounded;
}

error points out this line caused the error Decode!(bytes.as_ref(), Self).unwrap() !!

2

so I was pointing out the same memory id for multiple maps,
I changed the memory id to fix the issue