Error: The id "save.sumGroup." is invalid. Ids are not allowed to end in "."

[iobroker-sentry-github-app]

Sentry Issue: IOBROKER-STATISTICS-4F

Error: The id "save.sumGroup." is invalid. Ids are not allowed to end in "."
  File "/opt/iobroker/node_modules/@iobroker/js-controller-adapter/src/lib/adapter/utils.ts", line 215, in Utils.validateId
  File "/opt/iobroker/node_modules/@iobroker/js-controller-adapter/src/lib/adapter/adapter.js", line 3509, in Statistics.setObjectNotExists
  File "/opt/iobroker/node_modules/@iobroker/js-controller-common/lib/common/tools.js", line 2126, in <anonymous>
    fn.apply(
  File "/opt/iobroker/node_modules/@iobroker/js-controller-adapter/src/lib/adapter/utils.ts", in new Promise
  File "/opt/iobroker/node_modules/@iobroker/js-controller-common/lib/common/tools.js", line 2125, in Statistics.setObjectNotExistsAsync
    return new Promise((resolve, reject) => {
...
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