while doing Quality Order validation error on

Hi All,

Navigation : Production Control--> Common --->All production order ---> I was created batch order after Report as finish, Quality order will  be generate automatically , we have do Pass/ Fail test at that time quantity is 1 kg,  instead of 1 Kg i was changed 0.5 Kg manually after that need to be results ,

At that time getting below error

Thanks in advance 

Regards

Venkata reddy