Error on Generating Strategy

[andrgm]

When in try to compile any strategy or indicator I obtain the error that shown the attaches image. How can I solve it?

[NinjaTrader_RyanM1]

Hello andgram,

You will have to add a reference to those files.

Right Click within the editor > References
Click Add
Browse to the location indicated in the message, although yours may be in Program Files (x86)

Click Open on the first reference and then follow the steps again for the second.