String index out of range: 2

[sm1ck]

When entering the command status error:
Nemisys: This server is running Nemisys 2.0dev 「Aegis」 implementing API version 1.0.6 for Minecraft: PE v1.12.0 (protocol version 361)

status
19:55:45 [INFO] ---- Server status ----
19:55:45 [INFO] Uptime: 0 days 19 hours 16 minutes 48 seconds
Exception in thread "Console" java.lang.StringIndexOutOfBoundsException: String index out of range: 2
19:55:45 [INFO] Current TPS: 100.0
        at java.lang.AbstractStringBuilder.charAt(AbstractStringBuilder.java:237)
        at java.lang.StringBuilder.charAt(StringBuilder.java:76)
        at jline.console.ConsoleReader.wcwidth(ConsoleReader.java:545)
        at jline.console.ConsoleReader.backspace(ConsoleReader.java:1050)
        at jline.console.ConsoleReader.backspaceAll(ConsoleReader.java:1036)
        at jline.console.ConsoleReader.resetPromptLine(ConsoleReader.java:3859)
        at org.itxtech.nemisys.command.CommandReader.readLine(CommandReader.java:43)
>       at org.itxtech.nemisys.command.CommandReader.run(CommandReader.java:58)
19:55:45 [INFO] Load: 0.21%
19:55:45 [INFO] Current SynapseLib TPS: 100.0
19:55:45 [INFO] SynapseLib Load: 0.0%
19:55:45 [INFO] Network upload: 0.0 kB/s
19:55:45 [INFO] Network download: 0.0 kB/s
19:55:45 [INFO] Thread count: 35
19:55:45 [INFO] Used memory: 164.22 MB. (9.02%)
19:55:45 [INFO] Total memory: 504.5 MB.
19:55:45 [INFO] Maximum VM memory: 1820.5 MB.
19:55:45 [INFO] Available processors: 8
19:55:45 [INFO] Players: 4 online, 999999 max.