Recently updated to the latest version.

2020-04-29T21:59:22.497Z am43:02d4146eaf57 discovered data char
/usr/lib/node_modules/am43-ctrl/src/am43.js:117
characteristic.on('data', function (data, isNotification) {
^

TypeError: Cannot read property 'on' of undefined
at discoveryResult (/usr/lib/node_modules/am43-ctrl/src/am43.js:117:32)
at /usr/lib/node_modules/am43-ctrl/node_modules/@abandonware/noble/lib/peripheral.js:119:13
at Service. (/usr/lib/node_modules/am43-ctrl/node_modules/@abandonware/noble/lib/service.js:56:7)
at Object.onceWrapper (events.js:417:26)
at Service.emit (events.js:310:20)
at Noble.onCharacteristicsDiscover (/usr/lib/node_modules/am43-ctrl/node_modules/@abandonware/noble/lib/noble.js:398:13)
at NobleBindings.emit (events.js:310:20)
at NobleBindings.onCharacteristicsDiscovered (/usr/lib/node_modules/am43-ctrl/node_modules/@abandonware/noble/lib/hci-socket/bindings.js:368:8)
at Gatt.emit (events.js:310:20)
at Object.callback (/usr/lib/node_modules/am43-ctrl/node_modules/@abandonware/noble/lib/hci-socket/gatt.js:514:12)

Installed packages:

cat */package.json | jq '._from'

"abbrev@1"
"accepts@~1.3.7"
"ansi-regex@^2.0.0"
"ansi-styles@^3.2.0"
"aproba@^1.0.3"
"are-we-there-yet@~1.1.2"
"[email protected]"
"async-limiter@~1.0.0"
"balanced-match@^1.0.0"
"base64-js@^1.0.2"
"bindings@^1.4.0"
"bl@^4.0.1"
"[email protected]"
"brace-expansion@^1.1.7"
"buffer-from@^1.0.0"
"buffer@^5.5.0"
"[email protected]"
"callback-stream@^1.0.2"
"camelcase@^5.0.0"
"chownr@^1.1.1"
"cliui@^5.0.0"
"code-point-at@^1.0.0"
"color-convert@^1.9.0"
"[email protected]"
"commist@^1.0.0"
"[email protected]"
"concat-stream@^1.6.2"
"console-control-strings@~1.1.0"
"[email protected]"
"content-type@~1.0.4"
"[email protected]"
"[email protected]"
"core-util-is@~1.0.0"
"debug@^4.0.1"
"decamelize@^1.2.0"
"decompress-response@^4.2.0"
"deep-extend@^0.6.0"
"delegates@^1.0.0"
"depd@~1.1.2"
"destroy@~1.0.4"
"detect-libc@^1.0.2"
"d@1"
"duplexify@^3.6.0"
"[email protected]"
"emoji-regex@^7.0.1"
"encodeurl@~1.0.2"
"end-of-stream@^1.1.0"
"es5-ext@~0.10.14"
"es6-iterator@~2.0.1"
"es6-map@^0.1.5"
"es6-set@~0.1.5"
"es6-symbol@~3.1.1"
"escape-html@~1.0.3"
"etag@~1.8.1"
"event-emitter@~0.3.5"
"expand-template@^2.0.3"
"express@^4.16.3"
"extend@^3.0.0"
"ext@^1.1.2"
"[email protected]"
"finalhandler@~1.1.2"
"find-up@^3.0.0"
"forwarded@~0.1.2"
"[email protected]"
"fs-constants@^1.0.0"
"fs-minipass@^1.2.5"
"fs.realpath@^1.0.0"
"gauge@~2.7.3"
"get-caller-file@^2.0.1"
"[email protected]"
"glob@^7.1.3"
"glob-parent@^3.1.0"
"glob-stream@^6.1.0"
"has-unicode@^2.0.0"
"help-me@^1.0.1"
"[email protected]"
"iconv-lite@^0.4.4"
"ieee754@^1.1.4"
"ignore-walk@^3.0.1"
"inflight@^1.0.4"
"inherits@~2.0.3"
"ini@~1.3.0"
"[email protected]"
"is-absolute@^1.0.0"
"isarray@~1.0.0"
"is-extglob@^2.1.0"
"is-fullwidth-code-point@^1.0.0"
"is-glob@^3.1.0"
"is-negated-glob@^1.0.0"
"is-relative@^1.0.0"
"is-unc-path@^1.0.0"
"is-windows@^1.0.1"
"json-stable-stringify-without-jsonify@^1.0.1"
"leven@^2.1.0"
"locate-path@^3.0.0"
"[email protected]"
"[email protected]"
"methods@~1.1.2"
"[email protected]"
"[email protected]"
"mime-types@~2.1.24"
"mimic-response@^2.0.0"
"minimatch@^3.0.4"
"minimist@^1.2.5"
"minipass@^2.8.6"
"minizlib@^1.2.1"
"mkdirp-classic@^0.5.2"
"mkdirp@^0.5.1"
"mqtt@^2.18.2"
"mqtt-packet@^5.6.0"
"ms@^2.1.1"
"nan@^2.14.0"
"napi-build-utils@^1.0.1"
"[email protected]"
"needle@^2.2.1"
"[email protected]"
"next-tick@~1.0.0"
"node-abi@^2.7.0"
"node-addon-api@^2.0.0"
"node-pre-gyp@^0.14.0"
"noop-logger@^0.1.1"
"nopt@^4.0.1"
"npm-bundled@^1.0.1"
"npmlog@^4.0.2"
"npm-normalize-package-bin@^1.0.1"
"npm-packlist@^1.1.6"
"number-is-nan@^1.0.0"
"object-assign@^4.1.0"
"once@^1.3.0"
"on-finished@~2.3.0"
"ordered-read-streams@^1.0.0"
"osenv@^0.1.4"
"os-homedir@^1.0.0"
"os-tmpdir@^1.0.0"
"parseurl@~1.3.3"
"path-dirname@^1.0.0"
"path-exists@^3.0.0"
"path-is-absolute@^1.0.0"
"[email protected]"
"p-limit@^2.0.0"
"p-locate@^3.0.0"
"prebuild-install@^5.3.3"
"process-nextick-args@~2.0.0"
"proxy-addr@~2.0.5"
"p-try@^2.0.0"
"pumpify@^1.3.5"
"pump@^3.0.0"
"[email protected]"
"range-parser@~1.2.1"
"[email protected]"
"rc@^1.2.7"
"readable-stream@^2.0.6"
"readline-sync@^1.4.9"
"reinterval@^1.1.0"
"remove-trailing-separator@^1.0.1"
"require-directory@^2.1.1"
"require-main-filename@^2.0.0"
"rimraf@^2.6.1"
"safe-buffer@~5.1.1"
"safer-buffer@>= 2.1.2 < 3"
"sax@^1.2.4"
"semver@^5.3.0"
"[email protected]"
"[email protected]"
"set-blocking@~2.0.0"
"[email protected]"
"signal-exit@^3.0.0"
"simple-concat@^1.0.0"
"simple-get@^3.0.3"
"split2@^2.1.1"
"statuses@~1.5.0"
"stream-shift@^1.0.0"
"string_decoder@~1.1.1"
"string-width@^1.0.1"
"strip-ansi@^3.0.1"
"strip-json-comments@~2.0.1"
"tar-fs@^2.0.0"
"tar@^4.4.2"
"tar-stream@^2.0.0"
"through2-filter@^3.0.0"
"through2@^2.0.1"
"to-absolute-glob@^2.0.0"
"[email protected]"
"tunnel-agent@^0.6.0"
"typedarray@^0.0.6"
"type-is@~1.6.18"
"type@^1.0.1"
"ultron@~1.1.0"
"unc-path-regex@^0.1.2"
"unique-stream@^2.0.2"
"[email protected]"
"usb@^1.6.2"
"util-deprecate@~1.0.1"
"[email protected]"
"vary@~1.1.2"
"websocket-stream@^5.1.2"
"which-module@^2.0.0"
"which-pm-runs@^1.0.0"
"wide-align@^1.1.0"
"wrap-ansi@^5.1.0"
"wrappy@1"
"ws@^3.2.0"
"xtend@^4.0.1"
"y18n@^4.0.0"
"yallist@^3.0.3"
"yargs@^13.2.2"
"yargs-parser@^13.1.2"