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Identifying Errors That Prevent You from Running Code

Last Modified: September 20, 2019

As you create code, a broken Run button communicates that the code contains errors that prevent it from running.

You can use the provided error and warning messages to help fix these problems. Errors break the code. You must resolve any errors before you can run the program. Warnings do not prevent you from running the code. They are designed to help you avoid potential problems in the program.

To identify the specific errors, click the broken Run button to display the Errors and Warnings tab. The following image highlights sections of the Errors and Warnings tab that define detected errors and warnings.

Severity—Denotes whether an issue is an error or a warning.
Source—Identifies the object that is causing the error or warning.
Message—Provides more detail about why the error or warning exists.

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