fix arithmetic on a nil value error when subscribing to topic $SYS/broker/clients/connected#8
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rnlaigner wants to merge 2 commits intogeekscape:masterfrom
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fix arithmetic on a nil value error when subscribing to topic $SYS/broker/clients/connected#8rnlaigner wants to merge 2 commits intogeekscape:masterfrom
rnlaigner wants to merge 2 commits intogeekscape:masterfrom
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An error occurs in the context of clients subscribing to topic "$SYS/broker/clients/connected" in mosquitto server.
Verifying if the byte value (string.byte(message, index + 1)) is not nil is enough to avoid the error and subsequent program termination.