I've been having the same problem. Here's my logs:
```
[3/4/2023, 8:42:29 PM] /app/bin/heroic/resources/app.asar.unpacked/build/bin/linux/legendary --version
legendary version "0.20.32", codename "Dark Energy (hotfix #6)"
[3/4/2023, 8:42:30 PM] /app/bin/heroic/resources/app.asar.unpacked/build/bin/linux/legendary --version
[3/4/2023, 8:42:31 PM] /app/bin/heroic/resources/app.asar.unpacked/build/bin/linux/legendary list --third-party
legendary version "0.20.32", codename "Dark Energy (hotfix #6)"
[cli] INFO: Logging in...
[Core] INFO: Logging in...
[3/4/2023, 8:42:32 PM] /app/bin/heroic/resources/app.asar.unpacked/build/bin/linux/legendary list --third-party
[cli] INFO: Logging in...
[Core] INFO: Logging in...
[cli] INFO: Getting game list... (this may take a while)
[EPCAPI] ERROR: Login to EGS API failed with errorCode: errors.com.epicgames.account.auth_token.invalid_refresh_token
[Core] ERROR: Stored credentials are no longer valid! Please login again.
[cli] ERROR: Login failed, cannot continue!
[3/4/2023, 8:42:34 PM] /app/bin/heroic/resources/app.asar.unpacked/build/bin/linux/legendary launch Speedwell --json --offline
Traceback (most recent call last):
  File "legendary/cli.py", line 3061, in <module>
  File "legendary/cli.py", line 2976, in main
  File "legendary/cli.py", line 608, in launch_game
  File "legendary/core.py", line 726, in get_launch_parameters
TypeError: 'NoneType' object is not subscriptable
[319] Failed to execute script 'cli' due to unhandled exception!
[3/4/2023, 8:42:34 PM] SteamGameId=heroic-MetroLastLightRedux STEAM_COMPAT_CLIENT_INSTALL_PATH=/home/deck/.var/app/com.heroicgameslauncher.hgl/.steam/steam STEAM_COMPAT_DATA_PATH="/run/media/mmcblk0p1/Heroic/Prefixes/Metro Last Light Redux" WINE_FULLSCREEN_FSR=1 WINE_FULLSCREEN_FSR_STRENGTH=1 STEAM_COMPAT_APP_ID=0 PROTON_LOG_DIR=/home/deck/.var/app/com.heroicgameslauncher.hgl /app/bin/heroic/resources/app.asar.unpacked/build/bin/linux/legendary launch Speedwell --language en --no-wine --wrapper "'/home/deck/.local/share/Steam/compatibilitytools.d/GE-Proton7-47/proton' run" --skip-version-check
[cli] INFO: Logging in...
Traceback (most recent call last):
  File "legendary/cli.py", line 3061, in <module>
  File "legendary/cli.py", line 2976, in main
  File "legendary/cli.py", line 592, in launch_game
  File "legendary/core.py", line 187, in login
ValueError: No saved credentials
[323] Failed to execute script 'cli' due to unhandled exception!
```