Got php warnings after importing a bot list file

[anyback]

WARNING: /plugins/BotTracker/Controller.php(84): Warning - Undefined array key "importfile" - Matomo 4.15.0 - Please report this message in the Matomo forums: https://forum.matomo.org (please do a search first as it might have been reported already) (Module: BotTracker, Action: config_import, In CLI mode: false)

WARNING: /plugins/BotTracker/Controller.php(84): Warning - Trying to access array offset on value of type null - Matomo 4.15.0 - Please report this message in the Matomo forums: https://forum.matomo.org (please do a search first as it might have been reported already) (Module: BotTracker, Action: config_import, In CLI mode: false)

WARNING: /plugins/BotTracker/Controller.php(84): Deprecated - is_uploaded_file(): Passing null to parameter #1 ($filename) of type string is deprecated - Matomo 4.15.0 - Please report this message in the Matomo forums: https://forum.matomo.org (please do a search first as it might have been reported already) (Module: BotTracker, Action: config_import, In CLI mode: false)

All imported bots looks fine in the webgui