Value failed to convert from JSON. JSON Retrieval Error

Hello Friends,
Please help me, I’ve received this firebase jason error, I deleted my entire firebase database and created again 3 times. but I received this error again and again…
Please Give me the solution friend. I really tired to create my database again in firebase…

Have you set firebase’s security rules? Cause if yes you can not receive any data with web component. In order to check it open a window in your browser and type


See if you get json data.

CAn you show us the full blocks ?