dify/api/core/tools/errors.py

class ToolProviderNotFoundError(ValueError):
    pass

class ToolNotFoundError(ValueError):
    pass

class ToolParameterValidationError(ValueError):
    pass

class ToolProviderCredentialValidationError(ValueError):
    pass

class ToolNotSupportedError(ValueError):
    pass

class ToolInvokeError(ValueError):
    pass

class ToolApiSchemaError(ValueError):
    pass