Sonoff Adapter terminated without reason

[Supermicha]

Der Sonoff Adapter hängt sich neuerdings auf, wenn ein falscher Datentyp gesendet wird.

2021-01-28 18:42:53.261 - error: sonoff.0 (5003) uncaught exception: The "string" argument must be of type string or an instance of Buffer or ArrayBuffer. Received type number (50)
2021-01-28 18:42:53.263 - error: sonoff.0 (5003) TypeError [ERR_INVALID_ARG_TYPE]: The "string" argument must be of type string or an instance of Buffer or ArrayBuffer. Received type number (50)
at Function.byteLength (buffer.js:725:11)
at publish (/opt/iobroker/node_modules/mqtt-packet/writeToStream.js:322:51)
at generate (/opt/iobroker/node_modules/mqtt-packet/writeToStream.js:35:14)
at Writable.write [as _write] (/opt/iobroker/node_modules/mqtt-connection/lib/writeToStream.js:13:9)
at doWrite (_stream_writable.js:403:12)
at writeOrBuffer (_stream_writable.js:387:5)
at Writable.write (_stream_writable.js:318:11)
at Connection.Duplexify._write (/opt/iobroker/node_modules/duplexify/index.js:208:22)
at doWrite (/opt/iobroker/node_modules/duplexify/node_modules/readable-stream/lib/_stream_writable.js:428:64)
at writeOrBuffer (/opt/iobroker/node_modules/duplexify/node_modules/readable-stream/lib/_stream_writable.js:417:5)
2021-01-28 18:42:53.264 - error: sonoff.0 (5003) Exception-Code: ERR_INVALID_ARG_TYPE: The "string" argument must be of type string or an instance of Buffer or ArrayBuffer. Received type number (50)
2021-01-28 18:42:53.788 - warn: sonoff.0 (5003) Terminated (UNCAUGHT_EXCEPTION): Without reason
2021-01-28 18:42:54.401 - error: host.ioBroker instance system.adapter.sonoff.0 terminated with code 6 (UNCAUGHT_EXCEPTION)

is das normal? passiert bei mir erst seit ca. 1 Woche.