Missing Mod?

[illusionzz5]

So my friend is trying to join my server and for some reason it says hes missing a mod bu in the [] its blank heres the log

[18:37:36] [Server thread/INFO]: Starting minecraft server version 1.7.10
[18:37:55] [Server thread/INFO]: Loading properties
[18:37:55] [Server thread/INFO]: Default game type: SURVIVAL
[18:37:55] [Server thread/INFO]: Generating keypair
[18:37:55] [Server thread/INFO]: Starting Minecraft server on *:25565
[18:37:55] [Server thread/WARN]: **** SERVER IS RUNNING IN OFFLINE/INSECURE MODE!
[18:37:55] [Server thread/WARN]: The server will make no attempt to authenticate usernames. Beware.
[18:37:55] [Server thread/WARN]: While this makes the game possible to play without internet access, it also opens up the ability for hackers to connect with any username they choose.
[18:37:55] [Server thread/WARN]: To change this, set "online-mode" to "true" in the server.properties file.
[18:38:00] [Server thread/INFO]: Preparing level "world"
[18:38:05] [Server thread/INFO]: Preparing start region for level 0
[18:38:06] [Server thread/INFO]: Preparing spawn area: 50%
[18:38:06] [Server thread/INFO]: Done (6.061s)! For help, type "help" or "?"
[18:38:22] [Server thread/INFO]: OmniOW[/25.5.234.105:58473] logged in with entity id 465 at (896.8956837475397, 81.5, 23.836360136489454)
[18:38:22] [Server thread/INFO]: OmniOW joined the game
[18:38:23] [Server thread/WARN]: Fetching addPacket for removed entity
[18:38:23] [Server thread/WARN]: Fetching addPacket for removed entity
[18:38:23] [Server thread/WARN]: Fetching addPacket for removed entity
[18:38:23] [Server thread/WARN]: Fetching addPacket for removed entity
[18:38:53] [Server thread/WARN]: Invalid statistic in .\world\stats\15a72ac6-8d46-348d-94ad-d72d6cb13104.json: Don't know what achievement.cfm_appliancecity is
[18:38:53] [Server thread/WARN]: Invalid statistic in .\world\stats\15a72ac6-8d46-348d-94ad-d72d6cb13104.json: Don't know what achievement.cfm_bathroom is
[18:38:53] [Server thread/WARN]: Invalid statistic in .\world\stats\15a72ac6-8d46-348d-94ad-d72d6cb13104.json: Don't know what achievement.cfm_moderntechnology is
[18:38:53] [Server thread/WARN]: Invalid statistic in .\world\stats\15a72ac6-8d46-348d-94ad-d72d6cb13104.json: Don't know what achievement.cfm_heyeyey is
[18:38:53] [Server thread/WARN]: Invalid statistic in .\world\stats\15a72ac6-8d46-348d-94ad-d72d6cb13104.json: Don't know what achievement.cfm_whatdidyoueat is
[18:38:53] [Server thread/INFO]: Acid_Silence lost connection: TextComponent{text='Disconnected', siblings=[], style=Style{hasParent=false, color=null, bold=null, italic=null, underlined=null, obfuscated=null, clickEvent=null, hoverEvent=null}}
[18:38:53] [Server thread/INFO]: Acid_Silence left the game
[18:39:30] [Server thread/INFO]: /whitelist <on|off|list|add|remove|reload>
[18:44:15] [Server thread/WARN]: Invalid statistic in .\world\stats\15a72ac6-8d46-348d-94ad-d72d6cb13104.json: Don't know what achievement.cfm_appliancecity is
[18:44:15] [Server thread/WARN]: Invalid statistic in .\world\stats\15a72ac6-8d46-348d-94ad-d72d6cb13104.json: Don't know what achievement.cfm_bathroom is
[18:44:15] [Server thread/WARN]: Invalid statistic in .\world\stats\15a72ac6-8d46-348d-94ad-d72d6cb13104.json: Don't know what achievement.cfm_moderntechnology is
[18:44:15] [Server thread/WARN]: Invalid statistic in .\world\stats\15a72ac6-8d46-348d-94ad-d72d6cb13104.json: Don't know what achievement.cfm_heyeyey is
[18:44:15] [Server thread/WARN]: Invalid statistic in .\world\stats\15a72ac6-8d46-348d-94ad-d72d6cb13104.json: Don't know what achievement.cfm_whatdidyoueat is
[18:44:16] [Server thread/INFO]: Acid_Silence lost connection: TextComponent{text='Disconnected', siblings=[], style=Style{hasParent=false, color=null, bold=null, italic=null, underlined=null, obfuscated=null, clickEvent=null, hoverEvent=null}}
[18:44:16] [Server thread/INFO]: Acid_Silence left the game
 

[DaemonUmbra]

1.7.10 is no longer supported on this forum due to its age.

Please update to a modern version of Minecraft to receive support.