![node.js - The first argument must be of type string or an instance of Buffer, ArrayBuffer, or Array or an Array-like Object. Received undefined - Stack Overflow node.js - The first argument must be of type string or an instance of Buffer, ArrayBuffer, or Array or an Array-like Object. Received undefined - Stack Overflow](https://i.stack.imgur.com/LFA2Q.png)
node.js - The first argument must be of type string or an instance of Buffer, ArrayBuffer, or Array or an Array-like Object. Received undefined - Stack Overflow
ERROR: The first argument must be of type string or an instance of Buffer, ArrayBuffer, or Array or an Array-like Object. Received undefined - Questions - n8n
![First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object · Issue #405 · brocaar/chirpstack-application-server · GitHub First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object · Issue #405 · brocaar/chirpstack-application-server · GitHub](https://user-images.githubusercontent.com/11586458/71455089-d9df5c00-27d6-11ea-9a39-0bcc61833676.png)
First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object · Issue #405 · brocaar/chirpstack-application-server · GitHub
![First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object. · Issue #42 · Azure/iotc-device-bridge · GitHub First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object. · Issue #42 · Azure/iotc-device-bridge · GitHub](https://user-images.githubusercontent.com/29174946/76153208-0e766a80-60da-11ea-88a3-c8ef9ad8e4ed.png)