Error in Console

14:37:45 [INFO] [GroupManager] Enabling GroupManager v2.0 (2.10.1) (Phoenix)
14:37:45 [SEVERE] GroupManager - SEVERE - ======================================
=============
14:37:45 [SEVERE] GroupManager - SEVERE - = ERROR REPORT START - 2.0 (2.10.1) (P
hoenix) =
14:37:45 [SEVERE] GroupManager - SEVERE - ======================================
=============
14:37:45 [SEVERE] GroupManager - SEVERE - === PLEASE COPY AND PASTE THE ERROR.LO
G FROM THE ==
14:37:45 [SEVERE] GroupManager - SEVERE - = GROUPMANAGER FOLDER TO AN ESSENTIALS
  DEVELOPER =
14:37:45 [SEVERE] GroupManager - SEVERE - ======================================
=============
14:37:45 [SEVERE] GroupManager - SEVERE - The following file couldn't pass on Pa
rser.
plugins\GroupManager\worlds\spawn\groups.yml
14:37:45 [SEVERE] GroupManager - SEVERE - ======================================
=============
14:37:45 [SEVERE] GroupManager - SEVERE - = ERROR REPORT ENDED =
14:37:45 [SEVERE] GroupManager - SEVERE - ======================================
=============