Access is denied error

[fspofficial]

java.io.IOException: Access is denied
at java.base/java.io.WinNTFileSystem.createFileExclusively0(Native Method)
at java.base/java.io.WinNTFileSystem.createFileExclusively(WinNTFileSystem.java:645)
at java.base/java.io.File.createNewFile(File.java:1045)
at me.grax.jbytemod.res.Options.lambda$1(Options.java:120)
at java.base/java.lang.Thread.run(Thread.java:1623

[15ggd]

java.io.IOException: Access is denied
at java.base/java.io.WinNTFileSystem.createFileExclusively0(Native Method)
at java.base/java.io.WinNTFileSystem.createFileExclusively(WinNTFileSystem.java:536)
at java.base/java.io.File.createNewFile(File.java:1045)
at me.grax.jbytemod.res.Options.lambda$save$1(Options.java:120)
at java.base/java.lang.Thread.run(Thread.java:1583)

same error different threads?