stderr out message

Have some difficulty understanding the error message. i am not much in to stderr programming code :) What to make out of this?

core_client_version>4.19
message>Couldn't start the app for this result: error -108
/message>
active_task_state>7
signal>0
couldnt_start>-108

==============================================================================>

4.19
Couldn't start the app for this result: error -108

7
0
-108