This has nothing todo with your first message...
Anyway.
The syntax of your config file seems to be wrong. This might help you: https://help.aternos.org/en/config-reset
Posts by Roman
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Permissions can be managed with a Permission plugin like permissionsex.
The respective permissions can be found on the plugin page https://dev.bukkit.org/projects/quicktrade -

No stable version available
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No stable version available
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Do a right click of the world folder you've joined in Single Player and choose send to -> zip folder
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We are already working on a improved file browser.
Meanwhile you can just create a new file and copy the content. -
Wait I don´t have any folder called worlc, It´s the save folder?
yes, sorry. May fault.
Upload the map again.One Question: Do I need to extract the .zip or I just upload the .zip?
Zip the world in your saves folder and upload it.
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How do I join my map in SinglePlayer and for what will that work?
Download the map and place it into your worlds folder.
And how do I remove the playerdata?
Remove the playerdata folder in the worlds folder.
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This is a known problem when your server has cracked enabled.
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Did you check the console? Maybe your have to enter /fml confirm into the console?
Also it could be just a temporary problem. -
The log looks fine to me.
Try to download the map, reinstall the server and upload the map again. -
Try to join the map in single player once and upload it again.
Also you can try to remove the playerdata. -

Please check your DM's
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You can install single mods already: https://aternos.org/software/mods/
If you talk about multiple mods:
We still have that on our ideas list, but we discussed the "multiple mods" topic last week in our team meeting.
For now it doesn't make really sense.
If we add a feature, we want to keep it simple, understandable and usable for everyone. The work and time we would invest into adding this is too huge for the small amount of users who would use it.Our current statistics show that modpacks and mods are only used by a small amount of people. Keeping all that stuff up to date is already a huge work where only some people benefit from.
Plugin & Mods together:
To run plugins in modpacks a special server software ist required. Sponge or Cauldron for example.
Cauldron has been discontinued and Sponge is not released yet/still in beta.
Also we only add mod packs in their official configuration as they are distributed by the author. That means that we don't change the server version to e. G. Cauldron. This would decrease the stability of the mod packs.We already have some modpacks which run with Cauldron out of the box.
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Oh, you uploaded a map. That changes the situation.
Are you sure that the map is made for this modpack? -
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The second one is a successful start of your server.
Did you already try to download the map, reinstall the server and upload the map again.
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The part of the log you've quoted is okay and has nothing todo with your problem.
Maybe you can give us the full log.