stacktrace.js v2.0 is out, featuring ES6 support, better stack frames, and more!
Because the PSN network framework is not strictly required to launch the single-player campaign of a game, the repacker separates these files into .
The middle segment, psn-services , anchors the file to a specific commercial ecosystem. "PSN" encompasses more than just multiplayer matchmaking; it includes trophy synchronization, friend list presence, cloud save management, store entitlements (checking if a player owns DLC), and party voice chat routing. Each of these services is a complex subsystem requiring its own handshake protocols, encryption standards (often utilizing Sony’s proprietary authentication), and event hooks. Bundling them into a single .bin file suggests a conscious design choice: instead of dozens of smaller dynamically linked libraries (DLLs or PRXs), the developer has aggregated these dependent services into one contiguous block. This can improve load times on the PlayStation’s Blu-ray and hard drive architecture by reducing seek times and keeping related code physically adjacent.
--
What is fg-optional-psn-services.bin and How to Fix Errors If you are a PC gamer who enjoys PlayStation studios ports like God of War Ragnarök , Ghost of Tsushima , or Until Dawn , you might have encountered a file named .
If you get an SDK missing error after skipping it, check your folder for a .bat installer to fix the runtime requirement. GUIDE: How to play multiplayer GHOST OF TSUSHIMA [FITGIRL] fg-optional-psn-services.bin
FitGirl provides optional files to give users a choice. If you only want the single-player campaign, you can skip optional files to save disk space and download time. If you want a more "complete" experience—such as cross-platform functionality with a PS5—you would select this file during installation. Do I Need to Download fg-optional-psn-services.bin?
that interact with PSN services? In that case, you might want to look into Sony's developer resources, though such resources are typically aimed at professional developers.
Contains the necessary files for the online Legends co-op multiplayer mode. None; the main campaign runs fine without it.
Security software frequently flags game cracks and repack files as "Generic Hook" or "HackTool." If the file source is verified, this is typically a false positive caused by how the installer modifies game code to bypass digital rights management (DRM). Troubleshooting Common Errors 1. Missing File Error During Installation
Unlike core PSN authentication modules (e.g., psn_auth.sprx ), fg-optional-psn-services.bin handles . If this file is corrupted or removed:
If you skipped downloading this file but later decide you want to access multiplayer, you cannot simply drop the .bin file into an already installed game folder. The central installation wizard must process the file. To fix this, place the missing .bin file back into your original download folder with the installer and rerun setup.exe to update your installation.
If you are looking at this file in your download folder or checking a FitGirl NFO (info file), here is the conclusion:
Decompressing massive game archives heavily taxes your RAM and storage drive. If your system runs out of virtual memory (Pagefile) or suffers from minor RAM instability, the decompression tool will fail to read the file correctly. Step-by-Step Guide to Fix Installation Failures
In version 1.x, We've switched from a synchronous API to an asynchronous one using Promises because synchronous ajax calls are deprecated and frowned upon due to performance implications.
All methods now return stackframes. This Object representation is modeled closely after StackFrame representations in Gecko and V8. All you have to do to get stacktrace.js v0.x behavior is call .toString() on a stackframe.
Use Case: Give me a trace from wherever I am right now
var error = new Error('Boom');
printStackTrace({e: error});
==> Array[String]
v1.x:
var error = new Error('Boom');
StackTrace.fromError(error).then(callback).catch(errback);
==> Promise(Array[StackFrame], Error);
If this is all you need, you don't even need the full stacktrace.js library! Just use error-stack-parser!
ErrorStackParser.parse(new Error('boom'));
Use Case: Give me a trace anytime this function is called
Instrumenting now takes Function references instead of Strings.
v0.x:
function interestingFn() {...};
var p = new printStackTrace.implementation();
p.instrumentFunction(this, 'interestingFn', logStackTrace);
==> Function (instrumented)
p.deinstrumentFunction(this, 'interestingFn');
==> Function (original)
v1.x:
function interestingFn() {...};
StackTrace.instrument(interestingFn, callback, errback);
==> Function (instrumented)
StackTrace.deinstrument(interestingFn);
==> Function (original)
Fg-optional-psn-services.bin -
.parseError()
Error: Error message
at baz (http://url.com/file.js:10:7)
at bar (http://url.com/file.js:7:17)
at foo (http://url.com/file.js:4:17)
at http://url.com/file.js:13:21
Parsed Error
.get()
function foo() {
console.log('foo');
bar();
}
function bar() {
baz();
}
function baz() {
function showTrace(stack) {
var event = new CustomEvent('st:try-show', {detail: stack});
document.body.dispatchEvent(event);
}
function showError(error) {
var event = new CustomEvent('st:try-error', {detail: error});
document.body.dispatchEvent(event);
}
StackTrace.get()
.then(showTrace)
.catch(showError);
}
foo();
StackTrace output
Fg-optional-psn-services.bin -
Because the PSN network framework is not strictly required to launch the single-player campaign of a game, the repacker separates these files into .
The middle segment, psn-services , anchors the file to a specific commercial ecosystem. "PSN" encompasses more than just multiplayer matchmaking; it includes trophy synchronization, friend list presence, cloud save management, store entitlements (checking if a player owns DLC), and party voice chat routing. Each of these services is a complex subsystem requiring its own handshake protocols, encryption standards (often utilizing Sony’s proprietary authentication), and event hooks. Bundling them into a single .bin file suggests a conscious design choice: instead of dozens of smaller dynamically linked libraries (DLLs or PRXs), the developer has aggregated these dependent services into one contiguous block. This can improve load times on the PlayStation’s Blu-ray and hard drive architecture by reducing seek times and keeping related code physically adjacent.
--
What is fg-optional-psn-services.bin and How to Fix Errors If you are a PC gamer who enjoys PlayStation studios ports like God of War Ragnarök , Ghost of Tsushima , or Until Dawn , you might have encountered a file named .
If you get an SDK missing error after skipping it, check your folder for a .bat installer to fix the runtime requirement. GUIDE: How to play multiplayer GHOST OF TSUSHIMA [FITGIRL]
FitGirl provides optional files to give users a choice. If you only want the single-player campaign, you can skip optional files to save disk space and download time. If you want a more "complete" experience—such as cross-platform functionality with a PS5—you would select this file during installation. Do I Need to Download fg-optional-psn-services.bin?
that interact with PSN services? In that case, you might want to look into Sony's developer resources, though such resources are typically aimed at professional developers.
Contains the necessary files for the online Legends co-op multiplayer mode. None; the main campaign runs fine without it.
Security software frequently flags game cracks and repack files as "Generic Hook" or "HackTool." If the file source is verified, this is typically a false positive caused by how the installer modifies game code to bypass digital rights management (DRM). Troubleshooting Common Errors 1. Missing File Error During Installation
You do not have a PlayStation Network account and do not plan to make one. ⚠️ Common Troubleshooting Tips
Unlike core PSN authentication modules (e.g., psn_auth.sprx ), fg-optional-psn-services.bin handles . If this file is corrupted or removed:
If you skipped downloading this file but later decide you want to access multiplayer, you cannot simply drop the .bin file into an already installed game folder. The central installation wizard must process the file. To fix this, place the missing .bin file back into your original download folder with the installer and rerun setup.exe to update your installation.
If you are looking at this file in your download folder or checking a FitGirl NFO (info file), here is the conclusion:
Decompressing massive game archives heavily taxes your RAM and storage drive. If your system runs out of virtual memory (Pagefile) or suffers from minor RAM instability, the decompression tool will fail to read the file correctly. Step-by-Step Guide to Fix Installation Failures
Accessing the native in-game profile overlay ( Shift + F1 ) requires this code block. ❌ Skip It If:
Fg-optional-psn-services.bin -
Turn partial code location into precise code location
This library accepts a code location (in the form of a StackFrame) and returns a new StackFrame with a more accurate location (using source maps) and guessed function names.
Usage
var stackframe = new StackFrame({fileName: 'http://localhost:3000/file.min.js', lineNumber: 1, columnNumber: 3284});
var callback = function myCallback(foundFunctionName) { console.log(foundFunctionName); };
// Such meta. Wow
var errback = function myErrback(error) { console.log(StackTrace.fromError(error)); };
var gps = new StackTraceGPS();
// Pinpoint actual function name and source-mapped location
gps.pinpoint(stackframe).then(callback, errback);
//===> Promise(StackFrame({functionName: 'fun', fileName: 'file.js', lineNumber: 203, columnNumber: 9}), Error)
// Better location/name information from source maps
gps.getMappedLocation(stackframe).then(callback, errback);
//===> Promise(StackFrame({fileName: 'file.js', lineNumber: 203, columnNumber: 9}), Error)
// Get function name from location information
gps.findFunctionName(stackframe).then(callback, errback);
//===> Promise(StackFrame({functionName: 'fun', fileName: 'http://localhost:3000/file.min.js', lineNumber: 1, columnNumber: 3284}), Error)
Simple, cross-browser Error parser. This library parses and extracts function names, URLs, line numbers, and column numbers from the given Error's stack as an Array of StackFrames.
Once you have parsed out StackFrames, you can do much more interesting things. See stacktrace-gps.
Note that in IE9 and earlier, Error objects don't have enough information to extract much of anything. In IE 10, Errors are given a stack once they're thrown.