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Error: Could not find or load main class net.minecraftforge.userdev.LaunchTesting


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When I launch "runClient", it says this error in the console:

Error: Could not find or load main class net.minecraftforge.userdev.LaunchTesting

I don't what is causing this.

Specs:

IDE: Eclipse 2019-12 (4.14.0)

Ram: 4GB

Java: 8

GPU: NVidia GeForce 820m

CPU: Intel Core i5-5200U 2.20 GHz

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@Luis_ST  The full log is (Copied and Pasted):

 

Description	Resource	Path	Location	Type
Project 'Nutun' is missing required library: 'C:\Users\Zeeshan\Desktop\unresolved dependency - net.minecraftforge forge 1.15.2 31.2.50_mapped_snapshot_20200514-1.15.1'	Nutun		Build path	Build Path Problem
The project cannot be built until build path errors are resolved	Nutun		Unknown	Java Problem

 

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2 hours ago, mYusufSuleman said:

@Luis_ST  The full log is (Copied and Pasted):

please learn the meaning of "full" and try again
because this can't be the full log

Edited by Luis_ST
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4 minutes ago, mYusufSuleman said:

The first part is not related to the error but the second one is related, which starts after the Question Mark.

I know that, you still said it. Why did you say it? What do you mean?

As for the error:

58 minutes ago, diesieben07 said:

If that doesn't help I don't know.

 

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