EQEmulator Forums - Error in my log file, Entity List

After a few days I get a log full of these. We also see a zone rebooting often, I want to say it was Nek forest, but I could be wrong.

Code:

2847 [06.19. - 16:30:37] Fatal error in EntityList::MakeNameUnique: Unable to find unique name for 'a_zombie'

2847 [06.19. - 16:30:40] Fatal error in EntityList::MakeNameUnique: Unable to find unique name for 'a_skeleton'

2847 [06.19. - 16:30:41] Fatal error in EntityList::MakeNameUnique: Unable to find unique name for 'a_skeleton'

2847 [06.19. - 16:30:41] Fatal error in EntityList::MakeNameUnique: Unable to find unique name for 'a_zombie'

2847 [06.19. - 16:30:42] Fatal error in EntityList::MakeNameUnique: Unable to find unique name for 'a_zombie'