# DataFrames Error: Warning: \`T\` is deprecated, use \`nonmissingtype\` instead
**URL:** https://discourse.julialang.org/t/dataframes-error-warning-t-is-deprecated-use-nonmissingtype-instead/29053
**Category:** General Usage
**Tags:** dataframes
**Created:** [September 22, 2019, 11:38pm UTC](https://discourse.julialang.org/t/dataframes-error-warning-t-is-deprecated-use-nonmissingtype-instead/29053 "2019-09-22T23:38:51Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@mthelm85](https://discourse.julialang.org/u/mthelm85)
#### Post date: [September 22, 2019, 11:38pm UTC](https://discourse.julialang.org/t/dataframes-error-warning-t-is-deprecated-use-nonmissingtype-instead/29053/1 "2019-09-22T23:38:51Z")
I’ve been getting this error a lot lately (I think since I updated my DataFrames package). Has anyone else run into this?
```julia
┌ Warning: `T` is deprecated, use `nonmissingtype` instead.
│ caller = compacttype(::Type, ::Int64) at show.jl:39
└ @ DataFrames C:\Users\mthel\.julia\packages\DataFrames\XuYBH\src\abstractdataframe\show.jl:39
```
It seems to happen with numerous packages and in various contexts…
---
### Author:  [@c42f](https://discourse.julialang.org/u/c42f)
#### Post date: [September 22, 2019, 11:58pm UTC](https://discourse.julialang.org/t/dataframes-error-warning-t-is-deprecated-use-nonmissingtype-instead/29053/2 "2019-09-22T23:58:11Z")
See [https://github.com/JuliaData/DataFrames.jl/pull/1941](https://github.com/JuliaData/DataFrames.jl/pull/1941)
---
### Author:  [@mthelm85](https://discourse.julialang.org/u/mthelm85)
#### Post date: [September 23, 2019, 12:03am UTC](https://discourse.julialang.org/t/dataframes-error-warning-t-is-deprecated-use-nonmissingtype-instead/29053/3 "2019-09-23T00:03:55Z")
Cool, thanks!