1:13:56 PM CONSOLE: [SEVERE] Detected leaking worlds in memory. There are 8 worlds that appear to b

[MMZ_Drow]

as my server loads i get these warnings of the world leaking.... any idea what is causing it and how to rectify the problem?
1:13:56 PM
CONSOLE:
[SEVERE] Detected leaking worlds in memory. There are 8 worlds that appear to be persisting. A mod is likely caching the world incorrectly
1:13:56 PM
CONSOLE:
[SEVERE] The world 9f96e06 (world) has leaked.
1:13:56 PM
CONSOLE:
[SEVERE] The world 3f6c7c9c (world) has leaked.
1:13:56 PM
CONSOLE:
[SEVERE] The world 1a8c11e5 (world) has leaked.
1:13:56 PM
CONSOLE:
[SEVERE] The world 1f410757 (world) has leaked.
thank so much

 

[Ashzification]

This: http://desk.feed-the-beast.com/index.php?/Knowledgebase/Article/View/23/2/leaking-worlds