The log reveals this:
[INFO][02/24 12:53:18 PM]: Welcome to OSBot 2.6.18!
[INFO][02/24 12:53:18 PM]: Loaded 1 RS accounts!
[INFO][02/24 12:53:19 PM]: Script list refreshed and loaded 1 scripts.
[INFO][02/24 12:53:25 PM]: Updated injection hooks for client revision : 193!
[DEBUG][Bot #1][02/24 12:53:25 PM]: Initializing stealth injection bot...
[INFO][Bot #1][02/24 12:53:25 PM]: Downloading latest RS2 old-school client parameters...
[INFO][Bot #1][02/24 12:53:26 PM]: Downloading latest RS2 old-school client...
[DEBUG][Bot #1][02/24 12:53:27 PM]: Injected bot reference into client!
[DEBUG][Bot #1][02/24 12:53:27 PM]: Injected world accessors!
[DEBUG][Bot #1][02/24 12:53:27 PM]: Injected 38 class and 339 field accessors!
[DEBUG][Bot #1][02/24 12:53:27 PM]: Injected canvas!
[ERROR][02/24 12:53:30 PM]: Uncaught exception!
java.lang.ClassFormatError: Method getBot in class fo has illegal modifiers: 0x1
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.lang.ClassLoader.defineClass(Unknown Source)
at org.osbot.Oc.loadClass(gab:225)
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Unknown Source)
at java.lang.Class.getConstructor0(Unknown Source)
at java.lang.Class.newInstance(Unknown Source)
at org.osbot.rs07.Bot.initialize(jj:622)
at org.osbot.jd.IiiiIiiIiiiI(ew:193)
at org.osbot.jd.IiiiIiiIiiiI(ew:6)
at org.osbot.CB.IiiiIiiIiiiI(pz:677)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Hence it will hang on that screen OP showed above.