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# exceptions
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2023-10-11 09:49:06 +01:00
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2026-02-21 07:43:33 +01:00
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`aiomql.core.exceptions` — Custom exception hierarchy for the aiomql package.
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2023-10-11 09:49:06 +01:00
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2026-02-21 07:43:33 +01:00
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## Overview
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Defines domain-specific exceptions used throughout the library to signal
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trading and connection errors.
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2024-11-15 21:13:19 +01:00
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2026-02-21 07:43:33 +01:00
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## Exceptions
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| Exception | Base | Description |
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|-----------|------|-------------|
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| `LoginError` | `Exception` | Raised when a login attempt fails |
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| `VolumeError` | `Exception` | Raised when a volume is invalid or out of range for a symbol |
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| `SymbolError` | `Exception` | Raised when a required symbol is missing or not in Market Watch |
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| `OrderError` | `Exception` | Raised when an error occurs while working with the `Order` class |
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| `StopTrading` | `Exception` | Raised to signal that trading should stop |
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| `InvalidRequest` | `Exception` | Raised when a market query fails |
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