code: function createError(file, src, paths) {
  	var err = ['Failed to find ' + file];
  
  	if (src) {
  		err.push('from ' + src);
  	}
  
  	err.push([
  		'in [',
  		'    ' + paths.join(',\n    '),
  		']'
  	].join('\n'));
  
  	return err.join(' ');
  }
docs: Create error
  
  @param {String} file
  @param {String} src
  @param {Array} paths
  @api private