Guys
To have the old add-ons gui instead of that [...]
Step 1:
-Open console
Step 2:
-Enter canvas.pushdialog(addonsgui);
Step 3:
-Select your add-ons
Step 4:
-Close it
Step 5:
-Start server with custom gamemode
If your add-on list in the custom gamemode starting gui does NOT update
-Redo step 1-4
-Restart Blockland
-Do step 5