Error when connecting to kafka using ghcr.io/montimage/mmt-operator:v1.7.6-ncu-18

[nhnghia]

Somehow topic is null that cause the error below:

/opt/mmt/operator/node_modules/kafka-node/lib/protocol/protocol.js:483
    request.Int16BE(topic.length).string(topic);
                          ^
TypeError: Cannot read property 'length' of undefined
    at /opt/mmt/operator/node_modules/kafka-node/lib/protocol/protocol.js:483:27
    at Array.forEach (<anonymous>)
    at _encodeMetadataRequest (/opt/mmt/operator/node_modules/kafka-node/lib/protocol/protocol.js:482:10)
    at Object.encodeMetadataV1Request [as encoder] (/opt/mmt/operator/node_modules/kafka-node/lib/protocol/protocol.js:457:10)
    at /opt/mmt/operator/node_modules/kafka-node/lib/kafkaClient.js:912:41
    at /opt/mmt/operator/node_modules/async/dist/async.js:3880:24
    at replenish (/opt/mmt/operator/node_modules/async/dist/async.js:1011:17)
    at /opt/mmt/operator/node_modules/async/dist/async.js:1016:9
    at eachOfLimit (/opt/mmt/operator/node_modules/async/dist/async.js:1041:24)
    at /opt/mmt/operator/node_modules/async/dist/async.js:1046:16

No error when using ghcr.io/montimage/mmt-operator:v1.7.6 (see)