Details

This message is generated when the dimensions to be combined by Inner do not have the same length.
Off[message] switches off the message; On[message] switches it on. For example: Off[Inner::incom].

Examples

The length of the inner dimension in the second argument is not the same as the length of the outer dimension in the third argument:

This shows valid input in Inner:

Dimensions can be usefully rearranged using Transpose:

The optional fifth argument in Inner can be used to specify which dimension of the second argument should be used:

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