The common errors found in the web console that causes the server to not start, with the reasoning, example and fix explained here.
Gamemode Error
Error: Couldn't change active gamemode - 'example' not found
Reasoning
This error occurs when the gamemode imputed in the commandline doesn’tt exist or is broken within the /garrysmod/gamemodes/ directory. Ensure the name imputed into the commandline manager in the Gamemode box is the exact same name as the folder of the gamemode in it’s directory.
Example
Incorrect name used in the commandline manager for the DarkRP gamemode.
Correct name used in the commandline manager for the DarkRP gamemode.
Folder Name for the DarkRP Gamemode located in /garrysmod/gamemodes/
Resolving the Error via the Game Panel File Manager
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Login to the Game Panel
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Navigate to the Game Services
(If you have multiple servers, select the one you wish to apply the fix)
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Click on the Commandline Manager.
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Head over to Custom Commandlines.
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Create or edit the commandline.
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Edit the text in the box of the
Gamemodesection to the folder name listed in/garrysmod/gamemodes/ -
Save and proceed to restart the server.
Map Error
Error: map load failed: example not found or invalid
Reasoning
This error occurs when the map imputed in the custom commandline doesn’tt exist or is invalid in the /garrysmod/maps/ directory. The map name may be incorrect or the map needs to be uploaded to the maps folder or mounted on via the steam workshop to be found by the server.
Resolving the Error via the Game Panel File Manager
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Login to the Game Panel
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Navigate to the Game Services
(If you have multiple servers, select the one you wish to apply the fix)
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Click on the Commandline Manager.
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Head over to Custom Commandlines.
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Create or edit the commandline.
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Edit the text in the box of the
Mapsection to the map name listed in/garrysmod/map/. Example: rp_downtown_v4c_v2 -
Save and proceed to restart the server.