I receive this error when trying to open `bitcoin-qt` when compiling from `master`:

> terminate called after throwing an instance of 'std::runtime_error'
>   what():  JSON value is not a string as expected
> Aborted

No debug info is generated since the application isn't started.

I am running Qubes 4.0 fully updated, in a Debian-11 VM with normal networking. Intel x86_64
{
    LOCK(cs_dir_locks);
    fs::path pathLockFile = directory / lockfile_name;
    
    if (dir_locks.count(fs::PathToString(pathLockFile))) {
        return true;
    }
    
    FILE* file = fsbridge::fopen(pathLockFile, "a");
    if (file) fclose(file);
    auto lock = std::make_unique<fsbridge::FileLock>(pathLockFile);
    if (!lock->TryLock()) {
        return error("Error while attempting to lock directory %s: %s", fs::PathToString(directory), lock->GetReason());
    }
    if (!probe_only) {
        
        dir_locks.emplace(fs::PathToString(pathLockFile), std::move(lock));
    }
    return true;
}
void UnlockDirectory(const fs::path& directory, const std::string& lockfile_name)