The error message indicates that the Junos-http application is not defined, so you need to either create a custom application or modify the security policy to use the built-in Junos-http application.
Doing either of these will allow you to successfully commit the configuration.

Based on SSL proxy is a feature that allows SRX Series devices to decrypt and inspect SSL/TLS traffic for security purposes. According to SRX Series devices support two types of SSL proxy:
Client-protection SSL proxy also known as forward proxy -- The SRX Series device resides between the internal client and outside server. It decrypts and inspects traffic from internal users to the web. Server-protection SSL proxy also known as reverse proxy -- The SRX Series device resides between outside clients and internal servers. It decrypts and inspects traffic from web users to internal servers.

Adaptive Threat Profiling (ATP) is a Juniper Networks solution that enables organizations to detect malicious activity on their networks and process it through IPS and Juniper ATP Cloud for malware and virus protection. ATP is powered by Juniper's advanced Machine Learning and Artificial Intelligence (AI) capabilities, allowing it to detect and block malicious activity in real-time.
ATP is integrated with Juniper's Unified Threat Management (UTM) and Encrypted Traffic Insights (ETI) solutions, providing an end-to-end network protection solution.