Because one can only install mods from a pre-approved list of CurseForge links, it would be entirely pointless to request a mod with an external dependency, yes?
So there would be no point in asking for the existing "Immersive Portals" mod link in the Aternos mod index (this is the Fabric version of the mod) to be replaced with the "Immersive Portals (for Forge)" mod link, since the Forge version's description links to a dependency jar on GitHub.
The Aternos forums are now deprecated
Learn more about this change here.
For help regarding Aternos, we recommend you to visit our support center.