Cydia Impactor Error Line 37 -

assert(response->get_status() == 200); If Apple’s provisioning portal returns anything other than HTTP 200 — even a 403, 409, or a 500 internal error — the assertion fails. Apple began returning for free accounts trying to use incompatible entitlements, and 403 Forbidden for accounts without an active developer membership when trying certain actions.

If you see error line 37, don’t debug it. Move on. The tool is dead; the alternatives are alive. Want to verify the source? The line in question still exists in the archived Cydia Impactor GitHub repository under src/progress.cpp . cydia impactor error line 37

If you’ve ever tried to sideload an IPA file onto an iOS device using Cydia Impactor, you’ve likely stared in frustration at a red error message referencing “line 37.” To the uninitiated, it looks like a cryptic bug. To those who know, it’s the tombstone of a once-great tool. What Is Error Line 37? The full error typically reads: progress.cpp:37 assertion failed (false) Or sometimes simply: Error line 37 — you are not a developer. At its core, line 37 is Cydia Impactor’s way of saying: Apple rejected your authentication because your Apple ID lacks the proper entitlements to install a development app. Move on

Cydia Impactor was built for the iOS 9–11 era, when Apple’s free developer program was permissive. Today, Apple’s security and provisioning logic have evolved, and Impactor hasn’t seen a meaningful update since 2019. Line 37 is where that collision becomes visible. The line in question still exists in the