Unexpected error has occurred during the library compilation process: The assembly compilation returned the following errors: * Labels that are numbers must be followed by colons

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1

Hi,

I’m getting the following error when compiling:

Unexpected error has occurred during the library compilation process:
The assembly compilation returned the following errors:

  • Labels that are numbers must be followed by colons.

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I have narrowed it down to the switch activity, which seems to cause the error.

I dont know what labels are in this case. I have tried to add a “:” see below(marked green):

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I have also tried to add the colon(“:”) to the “case” on the left side without any success.
What is causing this problem?

2

@atomic

What’s the TypeArgument you’ve used?

3

Did u try with solution

@atomic

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@monsieurrahul

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Hi @Palaniyappan ,

I had(powershell window) alongside with the Runtime 6.0.16 installed 2023-05-05, see below(marked green):
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Downloaded and restarted the server still same issue.
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Do I need to configure something or perform any changes?

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Hi @atomic ,

Could you maybe try to narrow it down a bit more, by removing each case in the Switch activity one by one and checking if it still gives out the error ?

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Remove the labels from the sequences and see if it fixes it.

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@supermanPunch @Palaniyappan @monsieurrahul @postwick

Hi,

I found the issue and I’m a bit embarrassed about it.
One of the cases used a number instead of a variable in the assign:

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And for some reason UiPath Studio did not alert for this at all. I even used the Analyze and validate process/project tools:
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If I put my marker in the field in the assign activity then I get an error:
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So this was my mistake but maybe the error should have shown up nevertheless?

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