Le_sms.c CloseSessionEventHandler() | SessionRef (0x7f61a77c) has been closed

What does “le_sms.c CloseSessionEventHandler() 2181 | SessionRef (0x7f61a77c) has been closed” mean?? and How to fix??

Apr 30 13:19:24 swi-mdm9x28-wp user.err Legato: =ERR= | modemDaemon[862]/modemDaemon T=main | le_sms.c CloseSessionEventHandler() 2181 | SessionRef (0x7f61a77c) has been closed
Apr 30 13:19:24 swi-mdm9x28-wp user.err Legato: =ERR= | posDaemon[866]/posDaemon T=main | le_gnss.c CloseSessionEventHandler() 1079 | SessionRef (0x7f582c6c) has been closed

What is the actual problem you faced?

app is stop. How to fix??

Then you should investigate why the app is stopped

in the picture it have the line said that

Found session ref 0x…; match found, so need to cleanup

or

Apr 30 13:19:24 swi-mdm9x28-wp user.err Legato: =ERR= | modemDaemon[862]/modemDaemon T=main | le_sms.c CloseSessionEventHandler() 2181 | SessionRef (0x7f61a77c) has been closed
Apr 30 13:19:24 swi-mdm9x28-wp user.err Legato: =ERR= | posDaemon[866]/posDaemon T=main | le_gnss.c CloseSessionEventHandler() 1079 | SessionRef (0x7f582c6c) has been closed

is it the reason why app stop right??

You should add debug message to your app and see where is the crash point