Issues starting up Litium 8.8.0

I usual run this after I have installed a new Elasticsearch instance to lower the watermark and not have as requirement with replicas on the indices. That reduce the percentage watermark into small fixed values to not need a-lot of empty space on the disc.

POST /_template/default
{
  "index_patterns": ["*"],
  "order": -1,
  "settings": {
    "number_of_shards": 1,
    "number_of_replicas": 0
  }
}

PUT /*/_settings
{
  "index": {
    "number_of_replicas": 0
  }
}

PUT _cluster/settings
{
  "transient": {
    "cluster.routing.allocation.disk.watermark.low": "3gb",
    "cluster.routing.allocation.disk.watermark.high": "2gb",
    "cluster.routing.allocation.disk.watermark.flood_stage": "1gb",
    "cluster.info.update.interval": "1m"
  }
}

Is the Adyen payment app starting without any messages in the console?
Anything in the Adyen log-file?