updateSuccessorTable errors out

[bushidocodes]

I'm seeing this error a bunch:

node_secondary_11 | stabilize: updateSuccessorTable failed with  TypeError: Cannot read property 'id' of undefined
node_secondary_11 |     at UserService.<anonymous> (/home/node/app/ChordNode.ts:921:36)
node_secondary_11 |     at step (/home/node/app/ChordNode.ts:33:23)
node_secondary_11 |     at Object.next (/home/node/app/ChordNode.ts:14:53)
node_secondary_11 |     at fulfilled (/home/node/app/ChordNode.ts:5:58)
node_secondary_11 | stabilize: updateSuccessorTable failed with  TypeError: Cannot read property 'id' of undefined
node_secondary_11 |     at UserService.<anonymous> (/home/node/app/ChordNode.ts:921:36)
node_secondary_11 |     at step (/home/node/app/ChordNode.ts:33:23)
node_secondary_11 |     at Object.next (/home/node/app/ChordNode.ts:14:53)
node_secondary_11 |     at fulfilled (/home/node/app/ChordNode.ts:5:58)
node_secondary_11 | stabilize: updateSuccessorTable failed with  TypeError: Cannot read property 'id' of undefined
node_secondary_11 |     at UserService.<anonymous> (/home/node/app/ChordNode.ts:921:36)
node_secondary_11 |     at step (/home/node/app/ChordNode.ts:33:23)
node_secondary_11 |     at Object.next (/home/node/app/ChordNode.ts:14:53)
node_secondary_11 |     at fulfilled (/home/node/app/ChordNode.ts:5:58)

It looks like this.successorTable[i].id is undefined below:

          !isInModuloRange(
            successorSuccessor.id,
            this.id,
            true,
            this.successorTable[i].id,
            true
          )