java.io.CharConversionException: Failed to encode the character
'?' (U+FFFD) at column 61 in line 4 with the encoding "ANSI_X3.4-1968".
	at org.gjt.sp.jedit.bufferio.BufferIORequest.write(BufferIORequest.java:391)
	at org.gjt.sp.jedit.bufferio.BufferAutosaveRequest._run(BufferAutosaveRequest.java:79)
	at org.gjt.sp.util.Task.run(Task.java:65)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at java.base/java.lang.Thread.run(Thread.java:829)
Caused by: java.nio.charset.UnmappableCharacterException: Input length = 1
	at java.base/java.nio.charset.CoderResult.throwException(CoderResult.java:275)
	at java.base/sun.nio.cs.StreamEncoder.implWrite(StreamEncoder.java:306)
	at java.base/sun.nio.cs.StreamEncoder.implWrite(StreamEncoder.java:281)
	at java.base/sun.nio.cs.StreamEncoder.write(StreamEncoder.java:125)
	at java.base/java.io.OutputStreamWriter.write(OutputStreamWriter.java:208)
	at org.gjt.sp.jedit.bufferio.BufferIORequest.write(BufferIORequest.java:376)
	... 5 more