DefaultEngine.ini Configurable Variable change ignored in Standalone (may be a compilation manager issue)

Gameplay - Blueprint Compiler - Jan 29, 2018

If you change a configurable variable's default value in DefaultEngine.ini, the change will be ignored in Standslone mode until you compile and save the variable's blueprint. This causes inconsiste ...

Ensure condition failed / Crash on BP Compile after adding variable

Gameplay - Blueprint Compiler - Jan 26, 2018

Crash when compiling BP (containing user defined struct + object reference) after adding variable. ...

Blueprint nativization does not properly convert references to other Blueprint class types marked NotForServer/NotForClient during export tagging.

Gameplay - Blueprint Compiler - Jan 24, 2018

Example: Widget Blueprint classes do not get nativized for WindowsServer configs when 'Load Widgets on Dedicated Server' is false (i.e. NeedsLoadForServer() returns false). As a result, if another c ...

Impossible to reparent blueprint class that has a broken parent class when using compilation manager

Gameplay - Blueprint Compiler - Dec 8, 2017

Alternatively use BP_ParentClassIsMissingType in QAGame ...

Reference to child actor is invalid when compiling the parent blueprint

Gameplay - Blueprint Compiler - Nov 6, 2017

Reference to child actor is invalid when compiling the parent blueprint. In this example, when compiling blueprint 'A' the print string result will say that "Child Actor ref is INVALID". However, if ...

Crash upon adding an Interface to a Blueprint that has a function name that matches the name of a variable in the Blueprint.

Gameplay - Blueprint Compiler - Oct 13, 2017

When you add an Interface to a Blueprint that contains a variable with the same name as one of the Interface's functions, the editor will crash upon compiling the blueprint. In 4.16, this only cause ...

[CrashReport] UE4Editor_UnrealEd!FBlueprintCompileReinstancer::ReplaceInstancesOfClass_Inner() [kismetreinstanceutilities.cpp:1880]

Gameplay - Blueprint Compiler - Oct 5, 2017

This is a somewhat common crash that has occurred throughout the 4.17 release. Users have not provided any description of their actions when the crash occurred. The callstack is similar to some ol ...

Crash attempting to use a struct containing a deleted struct in a blueprint and compiling

Gameplay - Blueprint Compiler - Sep 21, 2017

REGRESSION: No, occurs in 4.17 (doesn't repro in 4.16 because orphaned pins wasn't a feature) Crash occurs when the user attempts to use a struct containing a deleted struct in a blueprint. ...

Ensure compiling a blueprint with itself as a Child Actor Component

Gameplay - Blueprint Compiler - Aug 16, 2017

Ensure occurs when the user creates a cycle with a blueprint containing itself as a child actor component. ...

WorldContextObject is null in BP function library

Gameplay - Blueprint Compiler - Aug 15, 2017