[3.0.3/3.0.4] Striped markers not vanishing

[kooky132]

Title: Striped markers not vanishing

Version: 3.0.3/3.0.4

OS: Windows 7

Java Version: 1.6.0_30

Description of Problem:

I tried to build a second "Cloning room" using EE and Templates, yet i placed the builder in the wrong place and now the striped marker lines will not disappear.

Error Messages:

Error Log:

[kooky132]

Dont worry now, I figured it out, the server restarted and they vanished