出gerber时遇到的警告，求助！！

---- Photoplot outline rectangle not found ... using drawing extents

Thu May 06 06:48:45 2010 Page 1
Photoplot log file
Results from parameter file ...
WARNING: Segment with same start and end points at
(5840.755 609.999) will be ignored. Increasing output
accuracy may allow segment to be generated.
WARNING: Segment with same start and end points at
(5841.237 609.999) will be ignored. Increasing output
accuracy may allow segment to be generated.
WARNING: Segment with same start and end points at
(4950.424 195.000) will be ignored. Increasing output
accuracy may allow segment to be generated.
WARNING: Segment with same start and end points at
(4949.585 195.000) will be ignored. Increasing output
accuracy may allow segment to be generated.
WARNING: Segment with same start and end points at
(4850.424 195.000) will be ignored. Increasing output
accuracy may allow segment to be generated.
WARNING: Segment with same start and end points at
(4849.585 195.000) will be ignored. Increasing output
accuracy may allow segment to be generated.
WARNING: Segment with same start and end points at
(3900.424 195.000) will be ignored. Increasing output
accuracy may allow segment to be generated.
WARNING: Segment with same start and end points at
(3899.585 195.000) will be ignored. Increasing output
accuracy may allow segment to be generated.
WARNING: Segment with same start and end points at
(3800.424 195.000) will be ignored. Increasing output
accuracy may allow segment to be generated.
WARNING: Segment with same start and end points at
(3799.585 195.000) will be ignored. Increasing output
accuracy may allow segment to be generated.
WARNING: Segment with same start and end points at
(3700.424 195.000) will be ignored. Increasing output
accuracy may allow segment to be generated.
WARNING: Segment with same start and end points at
(3699.585 195.000) will be ignored. Increasing output
accuracy may allow segment to be generated.
请问这些属于什么问题，如何解决？万分感谢！！