This issue has not been seen in the wild. This means the scenarios that lead to this error are very rare.
In general, this error will happen after any problem that prevents the `paxos prepare` writes to happen, for instance:
- disk full, which happens to occur at the right time the paxos prepare occurs.
- inability to update paxos tables
The paxos protocol is made up of many different phases that happen during a LWT update. `prepare` is one of the phases. Each one of the paxos phase have to happen in a specified sequence and if one of the phases fails, the whole transaction fails.
If and when this error happens, there will be more info in the error stack and the root cause of the error should be clear.
According to what is the ultimate root cause, whether disk full or problems with paxos table, the user should fix the underlying issue.