Cannot install plugin

[PAXMA]

Cannot install plugin.
Insomnia 11.6.1 (installed via snap)
OS Kubuntu 24.04.3 LTS x86_64

Installing via "Preferences/Plugins":

Error as text:

Error: Error invoking remote method 'installPlugin': Error: Command failed: /snap/insomnia/342/insomnia --no-deprecation /snap/insomnia/342/resources/bin/yarn-standalone.js info insomnia-plugin-sort-json --json --registry https://registry.npmjs.org/
/snap/insomnia/342/insomnia: error while loading shared libraries: libnspr4.so: cannot open shared object file: No such file or directory

    at IpcRenderer.invoke (node:electron/js2c/renderer_init:2:7078)
    at async onPress (https://insomnia-app.local/assets/organization.sync-CW0bPsxC.js:950:4213)

Installing via web (https://insomnia.rest/plugins/insomnia-plugin-sort-json)

[PAXMA]

Installed libnspr4 from Ubuntu repos. Even rebooted my PC. Still same error about libnspr4 :(