# No db\_v20 found

**URL:** <https://forum.biobakery.org/t/no-db-v20-found/453>\
**Category:** MetaPhlAn\
**Created:** [May 10, 2020, 3:27pm UTC](https://forum.biobakery.org/t/no-db-v20-found/453 "2020-05-10T15:27:21Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Qiuyu\_Jing](https://yyz1.discourse-cdn.com/flex027/user_avatar/forum.biobakery.org/qiuyu_jing/32/200_2.png) [@Qiuyu\_Jing](https://forum.biobakery.org/u/Qiuyu_Jing)\
**Post date:** [May 10, 2020, 3:27pm UTC](https://forum.biobakery.org/t/no-db-v20-found/453/1 "2020-05-10T15:27:21Z")

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Hi,  
when i try to use humann2 with the demo data, it shows the error that:  
Unable to download [https://bitbucket.org/biobakery/metaphlan2/downloads/mpa\_v20\_m200.md5](https://bitbucket.org/biobakery/metaphlan2/downloads/mpa_v20_m200.md5)

I manually checked the weblink, and found i can not find it.

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**Author:** ![fbeghini](https://yyz1.discourse-cdn.com/flex027/user_avatar/forum.biobakery.org/fbeghini/32/81_2.png) [@fbeghini](https://forum.biobakery.org/u/fbeghini)\
**Post date:** [May 11, 2020, 12:15pm UTC](https://forum.biobakery.org/t/no-db-v20-found/453/2 "2020-05-11T12:15:36Z")

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Hi, you should get the latest version (2.8) from conda (conda install -c bioconda metaphlan2=2.8) or get it from the release page on Github. You have installed an older version which still points to the URLs pre-migration.

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<div class="post-metadata">

**Author:** ![Qiuyu\_Jing](https://yyz1.discourse-cdn.com/flex027/user_avatar/forum.biobakery.org/qiuyu_jing/32/200_2.png) [@Qiuyu\_Jing](https://forum.biobakery.org/u/Qiuyu_Jing)\
**Post date:** [May 13, 2020, 2:36pm UTC](https://forum.biobakery.org/t/no-db-v20-found/453/3 "2020-05-13T14:36:16Z")

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Thanks for the reply. I made it.