Bug resulting in RemoteException wrapping System.InvalidOperationException: Compilation failures

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1

I’ve been using UiPath with C#, and recetly came across this error that I have never seen before.

Error Message: RemoteException wrapping System.InvalidOperationException: Compilation failures occurred:

Cannot implicitly convert type 'object' to 'decimal'. An explicit conversion exists (are you missing a cast?)	Cannot implicitly convert type 'object' to 'decimal'. An explicit conversion exists (are you missing a cast?)

Complete results are contained in the Data property of this exception. Please correct the errors in the source and retry the Load.
at System.Activities.XamlIntegration.ActivityXamlServices.Compile(IDynamicActivity dynamicActivity, LocationReferenceEnvironment environment)
at System.Activities.XamlIntegration.ActivityXamlServices.Load(XamlReader xamlReader, ActivityXamlServicesSettings settings)
at System.Activities.XamlIntegration.ActivityXamlServices.Load(XmlReader xmlReader, ActivityXamlServicesSettings settings)
at System.Activities.XamlIntegration.ActivityXamlServices.Load(Stream stream, ActivityXamlServicesSettings settings)
at UiPath.Executor.WorkflowLoader.LoadWorkflow(String xamlPath, String compiledWorkflowAssemblyName)
at UiPath.Executor.WorkflowRuntime.Load(String workflowFile)
at UiPath.Executor.RobotRunner.InitWorkflowApplication()
at UiPath.Executor.RobotRunner.d__88.MoveNext()

I tried double-checking the program and even checking the XAML file, but I still am unable to find the issue.

XAML File:
updateCostV2.xaml (559.6 KB)

3

Hi @deranker ,

Have you tried Debugging the Workflow ?

By Debugging we can get to know, which Activity is giving out this Error and then We can Continue our Analysis from that Point.

As it a Workflow Containing many Activities in a Single xaml, we would recommend to Split it into different workflows and Invoke them, Also Renaming of the Activities would help us Identify the Error Point faster.

4

Hi,

The following might help you.

Regards,

1 Like
5

I actually came across that post before posting this topic. I tried searching within the XAML file but I cant seem to find the same root of the issue mentioned in that post. Which is why I posted this topic because I cant think of any other possible issues that can cause this.

6

I tried to debug the file but I just get the same error pop up window.

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image724×325 58.8 KB

It doesnt show which activity is causing the issue. It may be that I am doing the debugging wrongly, so is there another way that would show which activity is causing the issue?

7

@deranker ,

By Looking at the Error you receive even when Debug, I would say we would have to go again through the Post @Yoichi Suggested.

I might have been able to Spot the Error with the variable arrMAzure :

Wherever there is an Assign of arrMAzure[0], Change it to the below and Check :

arrMAzure[0] = Convert.ToDecimal(arrMAzure[0]) +(Convert.ToDecimal(CurrentRow[16].ToString())/12)

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image852×276 9.37 KB

You can find the arrMAzure[0] by using the Universal Search Option and make the Changes.

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image751×273 8.41 KB

If this doesn’t work out, we may need to Edit the xaml file using Notepad++

You might need to take a Backup of the xaml before doing the changes.

9

Thank you for your help. I opened up the XAML FIle again to double check and found the error after searching for “X:Object” within the file. It was one of the Assign Activities at the start of the workflow.

But still, thank you for taking the time to help me with this and I sincerely appreciate your efforts.

1 Like
10

Hi,

I just modified the xaml file as the following. There were some sentences to be modified. Can you try this?

updateCostV2-2.xaml (574.0 KB)

Regards,

PS. Perhaps you should review your workflow to improve maintainability, i think.

11

Alright, thank you so much for helping me out. Been trying to solve this problem for 3 days now.