# If you use mods and are getting a "version mismatch" error, check your log files for a line like <code>[19:49:26 TRACE game] Starting server. Protocol version: 1.4.0.1</code> and check whether the protocol version matches. | # If you use mods and are getting a "version mismatch" error, check your log files for a line like <code>[19:49:26 TRACE game] Starting server. Protocol version: 1.4.0.1</code> and check whether the protocol version matches. |