Details

This message is generated when the same name is used to specify two variables that are required to be distinct.
Off[message] switches off the message; On[message] switches it on. For example: Off[General::dupv].

Examples

The same symbol is used in both of the range specifications in this input to NDSolve:

This shows valid input to NDSolve:

The same symbol is used for both variables of integration:

This shows valid variable specifications in NIntegrate:

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