> For the complete documentation index, see [llms.txt](https://developers.polymath.network/classic-sdk/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developers.polymath.network/classic-sdk/enums/_types_index_.errorcode.md).

# ErrorCode

Specifies possible types of errors in the SDK

## Index

### Enumeration members

* [FatalError](/classic-sdk/enums/_types_index_.errorcode.md#fatalerror)
* [FeatureNotEnabled](/classic-sdk/enums/_types_index_.errorcode.md#featurenotenabled)
* [FetcherValidationError](/classic-sdk/enums/_types_index_.errorcode.md#fetchervalidationerror)
* [IncompatibleBrowser](/classic-sdk/enums/_types_index_.errorcode.md#incompatiblebrowser)
* [IncorrectVersion](/classic-sdk/enums/_types_index_.errorcode.md#incorrectversion)
* [InexistentModule](/classic-sdk/enums/_types_index_.errorcode.md#inexistentmodule)
* [InsufficientBalance](/classic-sdk/enums/_types_index_.errorcode.md#insufficientbalance)
* [InvalidAddress](/classic-sdk/enums/_types_index_.errorcode.md#invalidaddress)
* [InvalidUuid](/classic-sdk/enums/_types_index_.errorcode.md#invaliduuid)
* [MetamaskNotInstalled](/classic-sdk/enums/_types_index_.errorcode.md#metamasknotinstalled)
* [NonBrowserEnvironment](/classic-sdk/enums/_types_index_.errorcode.md#nonbrowserenvironment)
* [ProcedureValidationError](/classic-sdk/enums/_types_index_.errorcode.md#procedurevalidationerror)
* [TransactionRejectedByUser](/classic-sdk/enums/_types_index_.errorcode.md#transactionrejectedbyuser)
* [TransactionReverted](/classic-sdk/enums/_types_index_.errorcode.md#transactionreverted)
* [UnexpectedEventLogs](/classic-sdk/enums/_types_index_.errorcode.md#unexpectedeventlogs)
* [UnexpectedReturnData](/classic-sdk/enums/_types_index_.errorcode.md#unexpectedreturndata)
* [UserDeniedAccess](/classic-sdk/enums/_types_index_.errorcode.md#userdeniedaccess)
* [WalletIsLocked](/classic-sdk/enums/_types_index_.errorcode.md#walletislocked)

## Enumeration members

### FatalError

• **FatalError**: = "FatalError"

*Defined in* [*src/types/index.ts:108*](https://github.com/PolymathNetwork/polymath-sdk/blob/e8bbc1e/src/types/index.ts#L108)

### FeatureNotEnabled

• **FeatureNotEnabled**: = "FeatureNotEnabled"

*Defined in* [*src/types/index.ts:99*](https://github.com/PolymathNetwork/polymath-sdk/blob/e8bbc1e/src/types/index.ts#L99)

### FetcherValidationError

• **FetcherValidationError**: = "FetcherValidationError"

*Defined in* [*src/types/index.ts:105*](https://github.com/PolymathNetwork/polymath-sdk/blob/e8bbc1e/src/types/index.ts#L105)

### IncompatibleBrowser

• **IncompatibleBrowser**: = "IncompatibleBrowser"

*Defined in* [*src/types/index.ts:98*](https://github.com/PolymathNetwork/polymath-sdk/blob/e8bbc1e/src/types/index.ts#L98)

### IncorrectVersion

• **IncorrectVersion**: = "IncorrectVersion"

*Defined in* [*src/types/index.ts:115*](https://github.com/PolymathNetwork/polymath-sdk/blob/e8bbc1e/src/types/index.ts#L115)

### InexistentModule

• **InexistentModule**: = "InexistentModule"

*Defined in* [*src/types/index.ts:114*](https://github.com/PolymathNetwork/polymath-sdk/blob/e8bbc1e/src/types/index.ts#L114)

### InsufficientBalance

• **InsufficientBalance**: = "InsufficientBalance"

*Defined in* [*src/types/index.ts:113*](https://github.com/PolymathNetwork/polymath-sdk/blob/e8bbc1e/src/types/index.ts#L113)

### InvalidAddress

• **InvalidAddress**: = "InvalidAddress"

*Defined in* [*src/types/index.ts:112*](https://github.com/PolymathNetwork/polymath-sdk/blob/e8bbc1e/src/types/index.ts#L112)

### InvalidUuid

• **InvalidUuid**: = "InvalidUuid"

*Defined in* [*src/types/index.ts:111*](https://github.com/PolymathNetwork/polymath-sdk/blob/e8bbc1e/src/types/index.ts#L111)

### MetamaskNotInstalled

• **MetamaskNotInstalled**: = "MetamaskNotInstalled"

*Defined in* [*src/types/index.ts:101*](https://github.com/PolymathNetwork/polymath-sdk/blob/e8bbc1e/src/types/index.ts#L101)

### NonBrowserEnvironment

• **NonBrowserEnvironment**: = "NonBrowserEnvironment"

*Defined in* [*src/types/index.ts:100*](https://github.com/PolymathNetwork/polymath-sdk/blob/e8bbc1e/src/types/index.ts#L100)

### ProcedureValidationError

• **ProcedureValidationError**: = "ProcedureValidationError"

*Defined in* [*src/types/index.ts:104*](https://github.com/PolymathNetwork/polymath-sdk/blob/e8bbc1e/src/types/index.ts#L104)

### TransactionRejectedByUser

• **TransactionRejectedByUser**: = "TransactionRejectedByUser"

*Defined in* [*src/types/index.ts:106*](https://github.com/PolymathNetwork/polymath-sdk/blob/e8bbc1e/src/types/index.ts#L106)

### TransactionReverted

• **TransactionReverted**: = "TransactionReverted"

*Defined in* [*src/types/index.ts:107*](https://github.com/PolymathNetwork/polymath-sdk/blob/e8bbc1e/src/types/index.ts#L107)

### UnexpectedEventLogs

• **UnexpectedEventLogs**: = "UnexpectedEventLogs"

*Defined in* [*src/types/index.ts:110*](https://github.com/PolymathNetwork/polymath-sdk/blob/e8bbc1e/src/types/index.ts#L110)

### UnexpectedReturnData

• **UnexpectedReturnData**: = "UnexpectedReturnData"

*Defined in* [*src/types/index.ts:109*](https://github.com/PolymathNetwork/polymath-sdk/blob/e8bbc1e/src/types/index.ts#L109)

### UserDeniedAccess

• **UserDeniedAccess**: = "UserDeniedAccess"

*Defined in* [*src/types/index.ts:102*](https://github.com/PolymathNetwork/polymath-sdk/blob/e8bbc1e/src/types/index.ts#L102)

### WalletIsLocked

• **WalletIsLocked**: = "WalletIsLocked"

*Defined in* [*src/types/index.ts:103*](https://github.com/PolymathNetwork/polymath-sdk/blob/e8bbc1e/src/types/index.ts#L103)