space mode-axis encountered an error
 

Hi guys~~ when i use the axis space mode with vof to simulate the breakup of a drop suspended in oil tank,i meet a problem.Just beginning to conculate,the console windown display "Error: Floating point error: invalid number

Error Object: ()".But when i use the 2d space mode,the problem is disappeared. Have you met this problem? And could you help me to solve it? Thank you very much!!