# How to config error index\_topics\_on\_lower\_title

**URL:** <https://meta.discourse.org/t/how-to-config-error-index-topics-on-lower-title/214213>\
**Category:** Self-hosting\
**Created:** [January 8, 2022, 2:35am UTC](https://meta.discourse.org/t/how-to-config-error-index-topics-on-lower-title/214213 "2022-01-08T02:35:41Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Bank\_Live](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/bank_live/32/75893_2.png) [@Bank\_Live](https://meta.discourse.org/u/Bank_Live)\
**Post date:** [January 8, 2022, 2:35am UTC](https://meta.discourse.org/t/how-to-config-error-index-topics-on-lower-title/214213/1 "2022-01-08T02:35:41Z")

</div>

I use command `./launcher rebuild app` and see this error. But rebuild app pass.

 ![](https://global.discourse-cdn.com/meta/original/3X/c/6/c639a995055efab2af27c05bc6463b1400a28225.png)