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Bug failed to start session: null

Joined
Aug 13, 2022
Messages
2
was working fine a couple hours ago, ive restarted and rebooted pc and its been giving me this error when trying to load up

any solutions? thanks



Log:


22:47:45 [INFO ] [ RuneMate] Adding C:\Program Files\RuneMate to local bot directories
22:47:45 [INFO ] [ RuneMate] Deleted 0 log files over a week old
22:47:45 [INFO ] [ RuneMate] Deleted 0 temp files over a week old
22:47:45 [INFO ] [ RuneMate] RuneMate Version: 4.15.4
22:47:49 [INFO ] [ RuneMate] Logged in to RuneMate SSO
22:47:54 [DEBUG] [ RuneMate] Restoring local sessions and accounts
22:47:54 [DEBUG] [ RuneMate] No sessions to restore
22:48:06 [INFO ] [ RuneMate] Refreshing clients
22:48:06 [DEBUG] [ RuneMate] Refreshing client list
22:48:14 [INFO ] [ RuneMate] Created bot group 8220/AIO Farming/1cba32c1
22:49:05 [INFO ] [ RuneMate] Created bot group 8220/Gatsby Cape Helper/6f2a2cd1
22:49:42 [INFO ] [ RuneMate] Logged out of RuneMate SSO
22:49:45 [INFO ] [ RuneMate] Attempting to browse Sign in to RuneMate
22:49:47 [INFO ] [ RuneMate] Logged in to RuneMate SSO
22:49:51 [INFO ] [ RuneMate] Repopulating bot list
22:49:51 [INFO ] [ RuneMate] Repopulating bot list
22:49:59 [INFO ] [ RuneMate] Created bot group 8220/Gatsby Cape Helper/62f71a8d
22:51:04 [INFO ] [ RuneMate] kotlin.UninitializedPropertyAccessException: lateinit property key has not been initialized
at nul.IIIiIIiiiIIIIii.IIiIiIIIIiiiIiI(qle:203)
at nul.IIiiiIiiiIiiiiI.IiIIiIIIIiIiiii(zre:800)
at nul.IiIiiIiiiIiiiIi.IiiiIIIIIIIiiIi(pye:504)
at nul.IiIiiIiiiIiiiIi.run(pye:93)

22:52:41 [INFO ] [ RuneMate] Created bot group 8220/Gatsby Combat Helper/33f5f295
22:52:47 [INFO ] [ RuneMate] Renewing bot session(s)
22:55:47 [INFO ] [ RuneMate] Renewing bot session(s)
22:55:54 [INFO ] [ RuneMate] Logged out of RuneMate SSO
 
Last edited:
Joined
Sep 9, 2025
Messages
4
Ive got a similiar issue:
java.rmi.RemoteException: Error executing opcode 22; nested exception is:
java.lang.IllegalArgumentException: Illegal Capacity: -1
at aux.iIiIiiiIiIIIi.special(bca:1452) ~[?:?]
at aux.iIIiIiiIiIiii.special(qg:353) ~[?:?]
at jdk.internal.reflect.GeneratedMethodAccessor20.invoke(Unknown Source) ~[?:?]
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:?]
 
Joined
Oct 1, 2025
Messages
3
Ive got a similiar issue:
java.rmi.RemoteException: Error executing opcode 22; nested exception is:
java.lang.IllegalArgumentException: Illegal Capacity: -1
at aux.iIiIiiiIiIIIi.special(bca:1452) ~[?:?]
at aux.iIIiIiiIiIiii.special(qg:353) ~[?:?]
at jdk.internal.reflect.GeneratedMethodAccessor20.invoke(Unknown Source) ~[?:?]
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:?]
I got the same Issue, now it cant find any open clients.
 
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