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Error: Labels must be unique

Description

This error is displayed in the list of errors and warnings at the bottom of the procedure editor if the procedure contains more than one label with the same name.

More information

Labels are used in a procedure in conjunction with Go to statements to give you control over the flow of a procedure. A procedure uses the name of the label to determine which label to jump to, so if there is more than one label in the procedure with the same name, the procedure can't differentiate between them.

For this reason, you need to ensure that the names of all your labels are unique within a procedure. Note that labels are case-sensitive, which means that the same names with different capitalisation are treated as different labels - i.e. 'Start' is a different label to 'start'. However, I'd advise that you don't use the same word with different capitalisation, as it could make the procedure quite confusing!

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ANY-maze help topic T0514