vwc.error.traceback {AnalysisPageServer} | R Documentation

## vwc.error.traceback

### Description

Get traceback for error

### Usage

    vwc.error.traceback(vwc)

### Arguments

`vwc` | AnalysisPageValueWithConditions

### Details

Get traceback for error

### Value

Charvecs, or NULL if there was no error. (In this it differs from `vwc.tracebacks`, which throws an error).

### Author(s)

Brad Friedman

### See Also

`vwc.tracebacks`

### Examples

    f <- function(msg)  {
      stop(msg)
    }
    vwc <- tryKeepConditions({
      f("foo")
    })
    vwc.error.traceback(vwc)

[Package AnalysisPageServer version 1.20.0 Index]