It's hard to say what the cause was, but the time of the spam I believe syncs up with the time one of our server players was trying to get a thermal:basalz and had one in his inventory . I have some 5800 lines of the following.
[22Jun2021 00:52:35.328] [Server thread/ERROR] [mcjtylib/]: The mob spawn amounts list for mob thermal:basalz is missing!
It's hard to say what the cause was, but the time of the spam I believe syncs up with the time one of our server players was trying to get a thermal:basalz and had one in his inventory . I have some 5800 lines of the following.
[22Jun2021 00:52:35.328] [Server thread/ERROR] [mcjtylib/]: The mob spawn amounts list for mob thermal:basalz is missing!