# uchime not working **URL:** \ **Category:** mothur bugs\ **Created:** [January 7, 2012, 5:09am UTC](https://forum.mothur.org/t/uchime-not-working/751 "2012-01-07T05:09:00Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![kimitas](https://avatars.discourse-cdn.com/v4/letter/k/f08c70/32.png) [@kimitas](https://forum.mothur.org/u/kimitas)\ **Post date:** [January 7, 2012, 5:09am UTC](https://forum.mothur.org/t/uchime-not-working/751/1 "2012-01-07T05:09:00Z")
Hi! I just installed mothur version 1.22.2 …and training with the Costello 16s Pyro data and tutorial… could use chimera.slayer with no probs…but when I try chimera.uchime…this is what I get: mothur \> chimera.uchime(fasta=stool.trim.unique.good.filter.unique.precluster.fasta, name=stool.trim.unique.good.filter.unique.precluster.names) uchime by Robert C. Edgar http://drive5.com/uchime This code is donated to the public domain. Checking sequences from stool.trim.unique.good.filter.unique.precluster.fasta … sh: ./uchime: No such file or directory [ERROR]: Could not open stool.trim.unique.good.filter.unique.precluster.uchime.chimera Can anyone help e solve this issue? Thanks! ---
**Author:** ![westcott](https://yyz2.discourse-cdn.com/flex036/user_avatar/forum.mothur.org/westcott/32/18_2.png) [@westcott](https://forum.mothur.org/u/westcott)\ **Post date:** [January 7, 2012, 2:47pm UTC](https://forum.mothur.org/t/uchime-not-working/751/2 "2012-01-07T14:47:37Z")
This is a bug in version 1.22 that will be resolved in 1.23.0 releasing next week. In the meantime here’s a link to some workarounds, [SOP tutorial crash](https://mothur.ltcmp.net/t/sop-tutorial-crash/702/6) ---
**Author:** ![kimitas](https://avatars.discourse-cdn.com/v4/letter/k/f08c70/32.png) [@kimitas](https://forum.mothur.org/u/kimitas)\ **Post date:** [January 8, 2012, 3:51am UTC](https://forum.mothur.org/t/uchime-not-working/751/3 "2012-01-08T03:51:40Z")
ok thanks!