odb version: 2.2.17

Steps:
This error is produced randomly while trying to update a linkmap entry in a 
record. Once the error appears, it persists even after a db restart.

com.orientechnologies.orient.core.exception.ODatabaseException: Error 
during saving of record with rid #10:139


I have a large time series database (over 300 GB of data) which I have been 
writing to and reading from for the past two years. The database worked 
through various versions of OrientDb.

A few days ago I noticed the above error when the program was trying to 
write to the db. I have not changed anything in the code for over a year so 
I thought this was very strange.

I assumed that the database got corrupted somehow and wanted to give it a 
fresh start. I went ahead and deleted the record that was failing. I also 
deleted its parent and children (db is a tree structure). I started writing 
to the database again and the problem appeared to have gone away.. until, 
it came up again a couple hours later. I tried deleting the problematic 
records again. The program was able to write to the db for some time, but 
then the problem appeared again. The timing seems to be random.

I updated to 2.2.17 (from 2.2.12) but it made no difference.

Any ideas? :)

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