ServerRestorer Session.lock error

[06:30:07 INFO]: [ServerRestorer] Starting to save directory. Please wait.
[06:30:32 INFO]: [ServerRestorer] FAILED TO ZIP FILE: c:\Users\ARISTOTLE\Desktop\Pristine\_Creative\session.lock Reason: java.io.IOException
[06:30:32 WARN]: java.io.IOException: The process cannot access the file because another process has locked a portion of the file
[06:30:32 WARN]:        at java.io.FileInputStream.readBytes(Native Method)
[06:30:32 WARN]:        at java.io.FileInputStream.read(Unknown Source)
[06:30:32 WARN]:        at me.zombie_striker.sr.Main.addFileToZip(Main.java:677)
[06:30:32 WARN]:        at me.zombie_striker.sr.Main.addFolderToZip(Main.java:710)
[06:30:32 WARN]:        at me.zombie_striker.sr.Main.addFileToZip(Main.java:664)
[06:30:32 WARN]:        at me.zombie_striker.sr.Main.addFolderToZip(Main.java:708)
[06:30:32 WARN]:        at me.zombie_striker.sr.Main.zipFolder(Main.java:650)
[06:30:32 WARN]:        at me.zombie_striker.sr.Main$4.run(Main.java:434)
[06:30:32 WARN]:        at org.bukkit.craftbukkit.v1_16_R1.scheduler.CraftTask.run(CraftTask.java:99)
[06:30:32 WARN]:        at org.bukkit.craftbukkit.v1_16_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:54)
[06:30:32 WARN]:        at com.destroystokyo.paper.ServerSchedulerReportingWrapper.run(ServerSchedulerReportingWrapper.java:22)
[06:30:32 WARN]:        at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
[06:30:32 WARN]:        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
[06:30:32 WARN]:        at java.lang.Thread.run(Unknown Source)