default or selected kernelversion does not have config value CONFIG_IP_NF_CT_PROTO_SCTP.
Result is shown for kernelversion 5.4.123

SCTP protocol connection tracking support (EXPERIMENTAL)

modulename: ip_conntrack_proto_sctp.ko


Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Network packet filtering (replaces ipchains)
└─>IP: Netfilter Configuration
└─>SCTP protocol connection tracking support (EXPERIMENTAL)
In linux kernel since version 2.6.12  
With this option enabled, the connection tracking code will
be able to do state tracking on SCTP connections.

If you want to compile it as a module, say M here and read
Documentation/modules.txt. If unsure, say `N'.

source code: