Please, search what you'd like to report here first: https://github.com/bcserv/damage-sound/issues
You can't find it? Then continue to read the following - lets call it guide lines.
What game are you running the plugin on. (CSS, HL2DM, TF2, etc...)
What the problem is:
The server is crashing, lagging, etc.
The plugin isn't loading.
The plugin isn't working as you expect it.
...
Optional: What the server console prints, when you type the following into it without "" (if you can't access the server console directly use HLSW):
"plugin_print"
"meta list"
"sm plugins list"
"sm exts list"
Search the latest error log (<moddir>/addons/sourcemod/logs/error_xxxxxx.log) that contains an error about this plugin.
sm cmds damagesound
[SM] Listing 3 commands for: Damage Sound
[Name] [Type] [Help]
sm_damagesound console Shows the damagesound menu
sm_damagesound_test admin Creates a hurt event of the game engine to test the damage sound
sm_hitsound console Shows the damagesound menu