Not working

[JAZzmiX]

TypeError: Data must be a string or a buffer
at Hmac.update (crypto.js:97:16)
at MessageValidator._calculateHmacFromMessage (/home/nowuser/src/node_modules/viber-bot/lib/message/message-validator.js:17:54)
at MessageValidator.validateMessage (/home/nowuser/src/node_modules/viber-bot/lib/message/message-validator.js:11:30)
at _app.use (/home/nowuser/src/node_modules/viber-bot/lib/middleware.js:61:32)
at Layer.handle [as handle_request] (/home/nowuser/src/node_modules/viber-bot/node_modules/express/lib/router/layer.js:95:5)
at trim_prefix (/home/nowuser/src/node_modules/viber-bot/node_modules/express/lib/router/index.js:317:13)
at /home/nowuser/src/node_modules/viber-bot/node_modules/express/lib/router/index.js:284:7
at Function.process_params (/home/nowuser/src/node_modules/viber-bot/node_modules/express/lib/router/index.js:335:12)
at next (/home/nowuser/src/node_modules/viber-bot/node_modules/express/lib/router/index.js:275:10)
at textParser (/home/nowuser/src/node_modules/body-parser/lib/types/text.js:69:7)

[r-pr]

Had the same error when visiting url of bot, deployed to now.

[915210036]

Привет