I can't package my project due to unknown error.

Development Programming & Scripting Blueprint
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1

Hello. I did this project in version 5.4. I am getting this error in version 5.5. Any help?
I can’t package my project due to unknown error.

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11904×330 64.3 KB

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21902×345 74.5 KB

2

Seems you have an error in BP_AC_Inventory. Either it’s not compiled or the file is missing.

Check that blueprint first before the build order error.

You can try adding

IncludeOrderVersion = EngineIncludeOrderVersion.Latest;

to your build file. If it does not package then try replacing .Latest with . and your previous engine version before the upgrade so 5_4 (intellisense should suggest the correct syntax).

IncludeOrderVersion = EngineIncludeOrderVersion.Unreal5_4;
3

I tried many things but couldn’t solve the problem. I formatted my computer. And I managed to package the project I had backed up. My game was working fine with methods other than shipping, but it didn’t seem to see the Steam interface. I wanted to ask here before opening a new topic. This is a problem that I cannot understand, what changed when you packaged it with shipping, I would be glad if you could help me.