# I am unable to set alerts in Grafana **URL:** \ **Category:** Configuration\ **Tags:** alerting\ **Created:** [November 29, 2021, 5:48pm UTC](https://community.grafana.com/t/i-am-unable-to-set-alerts-in-grafana/56901 "2021-11-29T17:48:27Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![rinold83](https://avatars.discourse-cdn.com/v4/letter/r/258eb7/32.png) [@rinold83](https://community.grafana.com/u/rinold83)\ **Post date:** [November 29, 2021, 5:48pm UTC](https://community.grafana.com/t/i-am-unable-to-set-alerts-in-grafana/56901/1 "2021-11-29T17:48:27Z")
I am unable to set alerts in Grafana Alerts. Getting the below error **Failed to evaluate queries and expressions: failed to execute conditions: failed to query data: parse “10.92.xx.xx:9090”: first path segment in URL cannot contain colon**. 10.92.xx.xx:9090 is my prometheus IP which i gave us a Datasource for a simple high CPU alert using Grafana v8.2.2 (6232fe07c0). Any help in this is much appreciated. I also enabled the Unified alerting and disabled Legacy alerting. ---
**Author:** ![rinold83](https://avatars.discourse-cdn.com/v4/letter/r/258eb7/32.png) [@rinold83](https://community.grafana.com/u/rinold83)\ **Post date:** [November 29, 2021, 9:55pm UTC](https://community.grafana.com/t/i-am-unable-to-set-alerts-in-grafana/56901/2 "2021-11-29T21:55:25Z")
i resolved it now. My prometheus data source didn’t have an http:// in it. Once I added it, the alerts started working Thank you. ---
**Author:** ![hafizjoundys](https://sea2.discourse-cdn.com/grafana/user_avatar/community.grafana.com/hafizjoundys/32/21862_2.png) [@hafizjoundys](https://community.grafana.com/u/hafizjoundys)\ **Post date:** [March 7, 2022, 1:05pm UTC](https://community.grafana.com/t/i-am-unable-to-set-alerts-in-grafana/56901/3 "2022-03-07T13:05:49Z")
oh god, thanks dude, I just forgot to add the “http://” prefix in my Loki source lol