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Fixed in future release



Found in


Issue ID




API updater fails with Error 131 when trying to update custom library




Priority: 2Necessary for shipping a final release


Severity: 2No workaround

To reproduce:

1. Download and open attached "" project.
2. Reimport "BestHTTP" library which is located in Assets/Libraries.

Expected result: Library code is updated correctly. No errors appear in the console.
Actual result: API updater fails to update Library code . Error appears in the console.

Reproduced with: 2017.3.0a6, 2017.2.0b9, 2017.1.0p5, 2017.1.0a1.
Not reproduced with: 5.6.3p2.
Regression introduced in: 2017.1.0a1.

Notes: Issue can also be seen when Play Mode is entered. "Ex [HTTPRequest]: CallCallback - Message: 1: Method not found" error appears and the image in the scene is wrong. Since Library is not updated correctly, it also prevents user from building the project to any platform.

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