988 on socket. Closing

Hello everyone,
I used SL6087 and I have error(988 on socket. Closing).
Do anyone know this error?
How can i fix it?.
My device ussally reset when this error has been

Can you show the exact AT command sequence when you receive this error?

Are you using WIP library when facing this problem?

Also, what’s the software version you are using?

Thx

I search in IDE help (error -988) and find out: “The option is not supported by channel.”
Can you explain this error?
Thanks