[Solved] Error executing an action: Command failed:

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Hi!
i have one problem for executing my command, can you help me please
rule is like that:

if internet is absent then execute “sudo echo “Connection is lost, please check modem” | gammu sendsms TEXT +79241111111 -unicode”

http://forum.pimatic.org/topic/45/solved-pimatic-shell-execute-ignore-complete-output/2
can this help?

Or just use the pushbullet plugin and send a push (free) ?

Thanks, correct command is:
“sudo echo \“Connection is lost, please check modem\” | gammu sendsms TEXT +79241111111 -unicode || true”