Bug when doing matrix multiplication in opencv

1

I was trying to implement an gaussian 5*5 kernel by using <1,2,4,2,1> multiply by its transpose.
and it throws a weird bug

屏幕截图2
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Please offer some help.

2

hello, your screenshot is useless here.

please post your code (as TEXT!) and the complete error msg (MRE required here), thank you.

3

catch the exception, inspect it.