Error in Calculated Column

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Hii Guys , i want to get total of all the subjects marks inserted by student so i created one total attribute with calculated value but every time when i click new to enter values it gives me the system error    
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1 answers
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Hi Surabhi Srivastava,

It seems like one of the variables that is coming from the object student is empty.
To avoid that we can do a if else condition, only adds the grade if the attribute is different that empty or ‘’.

However I believe is better to have the marks in another entity.

Would we like to have more marks associated to student during the time?

 

Please let me know if it helps

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