Hello, You have to change the protocolib plugin from spigot to jenkins page. Because there are problems with downloads from spigot.
Version; 1.19.1 
Protocolib Jenkins: ProtocolLib #598 [Jenkins] (dmulloy2.net)
Protocolib needs to be updated to 1.19
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- English
- Paper / Spigot
- TalhaKARTAL
- Closed
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