Details

This message is generated when the positions specified in the second argument of Subscripted overlap with the positions specified in the third argument.
The second argument in Subscripted identifies elements to be formatted as subscripts, and the third argument identifies elements to be formatted as superscripts.
Off[message] switches off the message; On[message] switches it on. For example: Off[Subscripted::subv].

Examples

An error occurs because the second and third arguments in Subscripted give overlapping position specifications:

This shows valid subscript and superscript specifications using Subscripted:

Top