You are sharing a map image layer with a network analysis layer or network dataset layer and has network analysis capability turned on. A layer in the map or selection of layers being shared has a name that contains URL or XML reserved characters that are invalid for use with network analysis.
Solutions
Rename the layer so that it does not include any URL or XML reserved characters.
More information
The following are reserved characters:
- &
- <
- >
- "
- '
- ?
- @
- =
- $
- ~
- ^
- `
- #
- %
- *
- (
- )
- .