Clearing buffer via context menu gives error

[PavelTurk]

Run jediterm in Ubuntu (20). Right click -> context menu -> Clear Buffer. After clicking this menu item there will be many messages:

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[2024-06-27 13:55:52] [SEVERE ] Attempt to get line out of bounds: -1 < 0 
[2024-06-27 13:55:52] [SEVERE ] Attempt to get line out of bounds: -1 < 0 
[2024-06-27 13:55:52] [SEVERE ] Attempt to get line out of bounds: -1 < 0 
[2024-06-27 13:55:52] [SEVERE ] Attempt to get line out of bounds: -1 < 0 
[2024-06-27 13:55:53] [SEVERE ] Attempt to get line out of bounds: -1 < 0 
[2024-06-27 13:55:53] [SEVERE ] Attempt to get line out of bounds: -1 < 0 
[2024-06-27 13:55:53] [SEVERE ] Attempt to get line out of bounds: -1 < 0 
[2024-06-27 13:55:54] [SEVERE ] Attempt to get line out of bounds: -1 < 0 
...