help please i have that error !!

[srvsk]

A critical error loading Sia has occured: Siad unexpectedly exited. Error log: Sia Daemon v1.3.2
Git Revision 72938f5
Loading...
(0/6) Loading siad...
(1/6) Loading gateway...
listen tcp :9981: bind: Only one usage of each socket address (protocol/network address/port) is normally permitted.

[lasat]

This is normally happening when already a process is using this port. Check your processlist if sia is already running as background process.