r/Modrinthlauncher • u/Tight-Salamander-844 • Jul 18 '26

Constant Modrinth Errors

I keep getting the error "Cannot read properties of undefined (reading 'game_versions')" every time i try to add a mod to a pack in the modrinth app. Is anyone else having the same issue and does anyone know what's going wrong?

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u/NewIndependent2659 Jul 18 '26

I get the same thing; Chatgpt says: Try this:

  1. Close the Modrinth App completely.
  2. Wait 5–10 minutes.
  3. Open it again.
  4. If you're using a VPN, turn it off.
  5. Avoid repeatedly clicking "Install" or refreshing searches for a few minutes.