No mapping for the Unicode character exists in the target multi-byte code page

[ianzone]

Troubleshooting docs

• [X] My problem is not solved in the Troubleshooting docs

Anaconda default channels

• [X] I do NOT use the Anaconda default channels (pkgs/* etc.)

How did you install Mamba?

Micromamba

Search tried in issue tracker

Unicode character

Latest version of Mamba

• [X] My problem is not solved with the latest version

Tried in Conda?

I didn't try

Describe your issue

on windows powershell

❯ micromamba activate
critical libmamba 在多字节的目标代码页中，没有此 Unicode 字符可以映射到的字符。
Invoke-Expression : 无法将参数绑定到参数“Command”，因为该参数为空字符串。
所在位置 D:\.micromamba\condabin\Mamba.psm1:31 字符: 36
+         Invoke-Expression -Command $activateCommand;
+                                    ~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidData: (:) [Invoke-Expression]，ParameterBindingValidationException
    + FullyQualifiedErrorId : ParameterArgumentValidationErrorEmptyStringNotAllowed,Microsoft.PowerShell.Commands.Invo
   keExpressionCommand

mamba info / micromamba info

libmamba version : 1.5.7
     micromamba version : 1.5.7
           curl version : libcurl/8.2.1-DEV Schannel zlib/1.2.13
     libarchive version : libarchive 3.6.2 zlib/1.2.13 liblzma/5.4.3 bz2lib/1.0.8 liblz4/1.9.4 libzstd/1.5.5
       envs directories : D:\.micromamba\envs
          package cache : D:\.micromamba\pkgs
                          C:\Users\yihen\.mamba\pkgs
                          C:\Users\yihen\AppData\Roaming\.mamba\pkgs
            environment : None (not found)
           env location : -
      user config files : C:\Users\yihen\.mambarc
 populated config files : C:\Users\yihen\.condarc
       virtual packages : __win=0=0
                          __archspec=1=x86_64
                          __cuda=12.4=0
               channels : https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge/win-64
                          https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge/noarch
                          https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/pytorch/win-64
                          https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/pytorch/noarch
                          https://mirrors.sustech.edu.cn/anaconda-extra/cloud/nvidia/win-64
                          https://mirrors.sustech.edu.cn/anaconda-extra/cloud/nvidia/noarch
       base environment : D:\.micromamba
               platform : win-64

### Logs

_No response_

### environment.yml

_No response_

### ~/.condarc

_No response_

[ianzone]

found a solution, just enable utf-8 support.