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    Indicates whether an error occurred and returns a description of the error.

    This node has the same basic functionality as General Error Handler but with fewer options.

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    error code

    Numeric error code.

    If error in indicates an error, this node ignores the error code. If not, this node tests the error code. A nonzero value signifies an error.

    Default: 0—No error

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    error source

    Optional string you can use to describe the source of the error code. If error in indicates an error, this node ignores the error source.

    Default: Empty string

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    type of dialog

    Type of dialog box to display, if any.

    Regardless of this value, this node returns the error information and a message describing the error.

    no dialog

    Displays no dialog box. This is useful if you want to have programmatic control over handling errors.

    OK message

    Displays a dialog box with a single OK button if an error occurs. After the user clicks OK, this node returns control to the main diagram.

    continue or stop message

    Displays a dialog box with buttons if an error occurs. The buttons either continue or stop execution.

    OK message + warnings

    Displays a dialog box with a single OK button if an error or warning occurs. After the user clicks OK, this node returns control to the main diagram.

    continue/stop + warnings

    Displays a dialog box with buttons if an error or warning occurs. The buttons either continue or stop execution.

    Default: OK message

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    error in

    Error conditions that occur before this node runs. The node responds to this input according to standard error behavior.

    Default: no error

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    error?

    Value that indicates if an error occurred.

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    code out

    Error or warning code indicated by error in or error code.

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    source out

    Source of the error. If error in indicates an error, this node returns the value of the source element in that error cluster. If not, and if error code indicates an error, this node returns the value of error source.

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    error out

    Error information. The node produces this output according to standard error behavior.

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    message

    Error code that occurred, the source of the error, and a description of the error.

    If more than one description exists for the same error code, this node displays all the descriptions, separated by or.