> ## Documentation Index
> Fetch the complete documentation index at: https://developers.stellar.org/llms.txt
> Use this file to discover all available pages before exploring further.

# Change Trust Result Codes

> These are result codes that communicate success (200) or failure (400) specific to the Change Trust operation.

These are result codes that communicate success (200) or failure (400) specific to the `Change Trust` operation.

Learn more about the [`Change Trust` operation](../../../../../../../learn/fundamentals/transactions/list-of-operations#change-trust)

**OpSuccess** `CHANGE_TRUST_SUCCESS`

Trust was successfully changed

**OpMalformed** `CHANGE_TRUST_MALFORMED`

The input to this operation is invalid.

**OpNoIssuer** `CHANGE_TRUST_NO_ISSUER`

The issuer of the asset cannot be found.

**op\_invalid\_limit** `CHANGE_TRUST_INVALID_LIMIT`

The limit is not sufficient to hold the current balance of the trustline and still satisfy its buying liabilities.

**OpLowReserve** `CHANGE_TRUST_LOW_RESERVE`

This account does not have enough XLM to satisfy the minimum XLM reserve increase caused by adding a subentry and still satisfy its XLM selling liabilities. For every new trustline added to an account, the minimum reserve of XLM that account must hold increases.

**op\_self\_not\_allowed** `CHANGE_TRUST_SELF_NOT_ALLOWED`

The source account attempted to create a trustline for itself, which is not allowed.