Gerrit unable to set the start number for Account ID

Question

We recently upgraded our gerrit server to version 2.16, and moved database from postgresql to Notedb.

After that we've seen issues for new user to log in. The log says:

Caused by: com.google.gwtorm.server.OrmDuplicateKeyException: account 1000094 already exists at com.google.gerrit.server.account.AccountConfig.getNewAccount(AccountConfig.java:218) at com.google.gerrit.server.account.AccountsUpdate.lambda$insert$0(AccountsUpdate.java:292) at com.google.gerrit.server.account.AccountsUpdate.lambda$updateAccount$2(AccountsUpdate.java:381) at com.github.rholder.retry.AttemptTimeLimiters$NoAttemptTimeLimit.call(AttemptTimeLimiters.java:78) at com.github.rholder.retry.Retryer.call(Retryer.java:160) at com.google.gerrit.server.update.RetryHelper.executeWithTimeoutCount(RetryHelper.java:303) at com.google.gerrit.server.update.RetryHelper.executeWithAttemptAndTimeoutCount(RetryHelper.java:281) at com.google.gerrit.server.update.RetryHelper.execute(RetryHelper.java:217) at com.google.gerrit.server.update.RetryHelper.execute(RetryHelper.java:207) at com.google.gerrit.server.account.AccountsUpdate.executeAccountUpdate(AccountsUpdate.java:395) at com.google.gerrit.server.account.AccountsUpdate.updateAccount(AccountsUpdate.java:378) at com.google.gerrit.server.account.AccountsUpdate.insert(AccountsUpdate.java:288) at com.google.gerrit.server.account.AccountsUpdate.insert(AccountsUpdate.java:271) at com.google.gerrit.server.account.AccountManager.create(AccountManager.java:292) at com.google.gerrit.server.account.AccountManager.authenticate(AccountManager.java:140) ... 55 more

From some search it seems we need to update the refs/sequences/accounts number in All-User repository. However, we looked into our system and unable to find refs/sequences/accounts file, we only see refs/sequences/ folder.

I'm wondering if anyone has run into this issue before, or ever done updating the refs/sequences/accounts file, can give us some suggestions?

Thanks very much in advance.