# lang_main.errors API documentation

# Module `lang_main.errors`

## Classes

`class DependencyMissingError (*args, **kwargs)`
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      class DependencyMissingError(Exception):
          """Error raised if needed dependency could not be found"""

  Error raised if needed dependency could not be found

  ### Ancestors

  - builtins.Exception
  - builtins.BaseException
`class EdgePropertyNotContainedError (*args, **kwargs)`
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      class EdgePropertyNotContainedError(Exception):
          """Error raised if a needed edge property is not contained in graph edges"""

  Error raised if a needed edge property is not contained in graph edges

  ### Ancestors

  - builtins.Exception
  - builtins.BaseException
`class EmptyEdgesError (*args, **kwargs)`
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      class EmptyEdgesError(EmptyGraphError):
          """Error raised if action should be performed on a graph's edges, but
          it does not contain any"""

  Error raised if action should be performed on a graph's edges, but it does not contain any

  ### Ancestors

  - EmptyGraphError
  - builtins.Exception
  - builtins.BaseException
`class EmptyGraphError (*args, **kwargs)`
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      class EmptyGraphError(Exception):
          """Error raised if an operation should be performed on the graph,
          but it does not contain any nodes or edges"""

  Error raised if an operation should be performed on the graph, but it does not contain any nodes or edges

  ### Ancestors

  - builtins.Exception
  - builtins.BaseException

  ### Subclasses

  - EmptyEdgesError
`class GraphRenderError (*args, **kwargs)`
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      class GraphRenderError(Exception):
          """Error raised if a graph object can not be rendered"""

  Error raised if a graph object can not be rendered

  ### Ancestors

  - builtins.Exception
  - builtins.BaseException
`class LangMainConfigNotFoundError (*args, **kwargs)`
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      class LangMainConfigNotFoundError(Exception):
          """Error raised if a config file could not be found successfully"""

  Error raised if a config file could not be found successfully

  ### Ancestors

  - builtins.Exception
  - builtins.BaseException
`class LanguageModelNotFoundError (*args, **kwargs)`
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      class LanguageModelNotFoundError(Exception):
          """Error raised if a given language model could not be loaded successfully"""

  Error raised if a given language model could not be loaded successfully

  ### Ancestors

  - builtins.Exception
  - builtins.BaseException
`class NoPerformableActionError (*args, **kwargs)`
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      class NoPerformableActionError(Exception):
          """Error describing that no action is available in the current pipeline"""

  Error describing that no action is available in the current pipeline

  ### Ancestors

  - builtins.Exception
  - builtins.BaseException
`class NodePropertyNotContainedError (*args, **kwargs)`
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      class NodePropertyNotContainedError(Exception):
          """Error raised if a needed node property is not contained in graph edges"""

  Error raised if a needed node property is not contained in graph edges

  ### Ancestors

  - builtins.Exception
  - builtins.BaseException
`class OutputInPipelineContainerError (*args, **kwargs)`
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      class OutputInPipelineContainerError(Exception):
          """Error raised if an output was detected by one of the performed
          actions in a PipelineContainer. Each action in a PipelineContainer is itself a
          procedure which does not have any parameters or return values and should therefore not
          return any values."""

  Error raised if an output was detected by one of the performed actions in a PipelineContainer. Each action in a PipelineContainer is itself a procedure which does not have any parameters or return values and should therefore not return any values.

  ### Ancestors

  - builtins.Exception
  - builtins.BaseException
`class WrongActionTypeError (*args, **kwargs)`
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      class WrongActionTypeError(Exception):
          """Error raised if added action type is not supported by corresponding pipeline"""

  Error raised if added action type is not supported by corresponding pipeline

  ### Ancestors

  - builtins.Exception
  - builtins.BaseException