Changes

# Check that Stardew Valley is up to date and your save is loaded in co-op mode. The host needs to go to the Co-op tab in the main menu and launch the save by clicking "Host (farmname) Farm". Loading a save through the regular load game menu, even if cabins have been built, will launch it in singleplayer.

# Check that Stardew Valley is up to date and your save is loaded in co-op mode. The host needs to go to the Co-op tab in the main menu and launch the save by clicking "Host (farmname) Farm". Loading a save through the regular load game menu, even if cabins have been built, will launch it in singleplayer.

# Make sure you have enough cabins built for the number of players.

# Make sure you have enough cabins built for the number of players.

# Make sure everyone launches the game through Steam or GOG Galaxy (not a separate shortcut). On Windows, see [[Modding:Installing SMAPI on Windows#Launch SMAPI through Steam or GOG Galaxy|''Launch SMAPI through Steam or GOG Galaxy'' in the Windows install guide]].

# Make sure everyone launches the game through Steam or GOG Galaxy (not a separate shortcut). On Windows, see [[Modding:Installing SMAPI on Windows#Configure your game client|''Configure your game client'' in the Windows install guide]].

# Make sure the server is set to online in the game options.

# Make sure the server is set to online in the game options.

# Turn firewalls and antivirus off for all players.  If you have more than one antivirus, that's very likely the cause.  Never use more than one antivirus at a time.

# Turn firewalls and antivirus off for all players.  If you have more than one antivirus, that's very likely the cause.  Never use more than one antivirus at a time.

Common fixes:

Common fixes:

# Launch the game through Steam.

# Launch the game through Steam.

# Windows only: make sure you set the launch options (see [[Modding:Installing SMAPI on Windows#Launch SMAPI through Steam or GOG Galaxy|''Launch SMAPI through Steam or GOG Galaxy'' in the Windows install guide]]), don't add SMAPI as a non-Steam game.

# Windows only: make sure you set the launch options (see [[Modding:Installing SMAPI on Windows#Configure your game client|''Configure your game client'' in the Windows install guide]]), don't add SMAPI as a non-Steam game.

# If all else fails, you can use third-party software to add controller support. Suggested software:

# If all else fails, you can use third-party software to add controller support. Suggested software:

#* Linux: {{github|kozec/sc-controller|SC Controller}}.

#* Linux: {{github|kozec/sc-controller|SC Controller}}.