16:31:20.679 EDT(node:1) UnhandledPromiseRejectionWarning: TypeError: Cannot read property 'toString' of undefined at _callee14$ (/app/src/socket-server/socket.backend.js:1384:69) at tryCatch (/app/node_modules/babel-runtime/node_modules/regenerator-runtime/runtime.js:62:40) at Generator.invoke [as _invoke] (/app/node_modules/babel-runtime/node_modules/regenerator-runtime/runtime.js:296:22) at Generator.prototype.(anonymous function) [as next] (/app/node_modules/babel-runtime/node_modules/regenerator-runtime/runtime.js:114:21) at step (/app/node_modules/babel-runtime/helpers/asyncToGenerator.js:17:30) at /app/node_modules/babel-runtime/helpers/asyncToGenerator.js:28:13 at <anonymous> at process._tickDomainCallback (internal/process/next_tick.js:228:7)
BACKEND LOG CAPTURES:
2020-08-18T20:31:20.652Z - info: [socket-server/backend][validateReceivers] {"receivers":["{\"username\":\"zjane@avaya.com\",\"phone_numbers\":[],\"_id\":\"5977883f3b3132a1e27cd68a\",\"picture_url\":\"https:\/\/storage.googleapis.com\/onesna\/pictures\/pfpic_zjane_5dbc83b4-85dc-43f0-a9c5-0e95e045c8b2\",\"type\":\"user\",\"displayname\":\"Jane Zhang\"}"],"sender":{"username":"ftx@avaya.com","picture_url":"https://storage.googleapis.com/onesna/pictures/pfpic_ftx_8f40d136-3a82-4163-b5bd-526b27e674af","type":"user","_id":"5dd421b6bcacd1e2f64e19a2","displayname":"GG (FT)"}}
16:31:20.679 EDT(node:1) UnhandledPromiseRejectionWarning: TypeError: Cannot read property 'toString' of undefined at _callee14$ (/app/src/socket-server/socket.backend.js:1384:69) at tryCatch (/app/node_modules/babel-runtime/node_modules/regenerator-runtime/runtime.js:62:40) at Generator.invoke [as _invoke] (/app/node_modules/babel-runtime/node_modules/regenerator-runtime/runtime.js:296:22) at Generator.prototype.(anonymous function) [as next] (/app/node_modules/babel-runtime/node_modules/regenerator-runtime/runtime.js:114:21) at step (/app/node_modules/babel-runtime/helpers/asyncToGenerator.js:17:30) at /app/node_modules/babel-runtime/helpers/asyncToGenerator.js:28:13 at <anonymous> at process._tickDomainCallback (internal/process/next_tick.js:228:7)