Error 2 ?

[donsenilo1968]

I try to send a text to my arduino via bluetooth and I get error 2. what does this error mean ?

[cloopadoop]

Same here!

[minec-aw]

Getting the same error

[Bagunda]

Same problem. Do you have exaple?

[Tstcg]

cant install at android6.0.1

[AmmoniumX]

I guess it's broken on newer android versions... Same error here

[LoganTraceur]

Same here. It would be great to get some insights from the developer.