I was trying to use the “custom_interfaces” for the exercise I followed the step and used as dependencies accordingly I presume for custom_interfaces yet while executing the topic by employing the echo function I am getting error message.
Hi @kushal49 ,
Could you please provide more context?
What exactly is the error that you are facing?
Please copy-paste the error output here.
There are several types of compiler errors and informing that you got “an error message” will not let us understand what error you are facing.
Regards,
Girish
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