# Exceptions

List of exceptions that Pyot uses.

Module: `pyot.core.exceptions`

### *class* `PyotException`

Extends: `Exception`

Base Pyot exception class.

### *class* `NotFindable`

Extends: `PyotException`

Message: \[600] Pipeline token matching pair not found

### *class* `SessionNotFound`

Extends: `PyotException`

Message: \[601] Session Not Found.

### *class* `DecodeError`

Extends: `PyotException`

Message: \[602] AioHttp took too long to decode the response.

### *class* `NoContent`

Extends: `PyotException`

Message: \[204] No Content.

### *class* `NotFound`

Extends: `PyotException`

Message: \[404] Data Not Found.

### *class* `MethodNotAllowed`

Extends: `PyotException`

Message: \[405] Method Not Allowed.

### *class* `ServerError`

Extends: `PyotException`

Messages: `Mapping[int, str]`

* 500: Internal Server Error
* 502: Bad Gateway
* 503: Service Unavailable
* 504: Gateway Timeout \[{code}] {self.messages\[code]}.

### *class* `RateLimited`

Extends: `PyotException`

Message: \[429] Rate limit Exceeded.

### *class* `Forbidden`

Extends: `PyotException`

Message: \[403] Access Forbidden.

### *class* `Unauthorized`

Extends: `PyotException`

Message: \[401] Access Unauthorized.

### *class* `BadRequest`

Extends: `PyotException`

Message: \[400] Bad Request.

### *class* `Timeout`

Extends: `PyotException`

Message: \[408] Timeout Connection.

### *class* `UnidentifiedResponse`

Extends: `PyotException`

Message: \[{code}] Unidentified Response {code}.