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box.error.new()
Create an error object with the specified parameters.
Parameters
an error description
(optional) a numeric code for this error
(optional) an error type
**Example 1**
local custom_error = box.error.new({ code = 500,
reason = 'Internal server error' })

box.error(custom_error)
--[[
---
- error: Internal server error
...
--]]
**Example 2: custom type**
local custom_error = box.error.new({ code = 500,
reason = 'Internal server error',
type = 'CustomInternalError' })

box.error(custom_error)
--[[
---
- error: Internal server error
...
--]]
Create an error object with the specified type and description.
an error type
description arguments
**Example**
local custom_error = box.error.new('CustomInternalError', 'Internal server error')

box.error(custom_error)
--[[
---
- error: Internal server error
...
--]]
Create a predefined :ref:`Tarantool error <error_codes>` specified by its identifier. You can see all Tarantool errors in the `errcode.h <https://github.com/tarantool/tarantool/blob/master/src/box/errcode.h>`_ file.
a pre-defined error identifier; Lua constants that correspond to those Tarantool errors are defined as members of ``box.error``, for example, ``box.error.NO_SUCH_USER == 45``
**Example 1: one argument**
local custom_error = box.error.new(box.error.NO_SUCH_USER, 'John')

box.error(custom_error)
--[[
---
- error: User 'John' is not found
...
--]]
**Example 2: two arguments**
local custom_error = box.error.new(box.error.CREATE_SPACE, 'my_space', 'the space already exists')

box.error(custom_error)
--[[
---
- error: 'Failed to create space ''my_space'': the space already exists'
...
--]]

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testing_project / Documentation: reference/reference_lua/box_error/new — English

local custom_error = box.error.new({ code = 500,
reason = 'Internal server error' })

box.error(custom_error)
--[[
---
- error: Internal server error
...
--]]
a year ago
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