The app crashes on opening card and gives the following stack trace:
`TypeError: Cannot read property '0' of undefined
at storeNewReadings (/drivers/smilep1/driver.js:380:66)
at /drivers/smilep1/driver.js:330:17
at Parser. (/node_modules/xml2js/lib/xml2js.js:484:18)
at emitOne (events.js:77:13)
at Parser.emit (events.js:169:7)
at Object.onclosetag (/node_modules/xml2js/lib/xml2js.js:445:26)
at emit (/node_modules/xml2js/node_modules/sax/lib/sax.js:640:35)
at emitNode (/node_modules/xml2js/node_modules/sax/lib/sax.js:645:5)
at closeTag (/node_modules/xml2js/node_modules/sax/lib/sax.js:905:7)
at Object.write (/node_modules/xml2js/node_modules/sax/lib/sax.js:1449:13)
The app crashes on opening card and gives the following stack trace:
`TypeError: Cannot read property '0' of undefined at storeNewReadings (/drivers/smilep1/driver.js:380:66) at /drivers/smilep1/driver.js:330:17 at Parser. (/node_modules/xml2js/lib/xml2js.js:484:18)
at emitOne (events.js:77:13)
at Parser.emit (events.js:169:7)
at Object.onclosetag (/node_modules/xml2js/lib/xml2js.js:445:26)
at emit (/node_modules/xml2js/node_modules/sax/lib/sax.js:640:35)
at emitNode (/node_modules/xml2js/node_modules/sax/lib/sax.js:645:5)
at closeTag (/node_modules/xml2js/node_modules/sax/lib/sax.js:905:7)
at Object.write (/node_modules/xml2js/node_modules/sax/lib/sax.js:1449:13)
Exit code: 1 Exit signal: null`