How to populate a grid using fitnesse.

Certified Senior Developer

Trying to populate a grid using fitnesse. The grid is initially empty, and I am able to get fitnesse to click on add row link to add a new row. Then I want to populate this row with data , but am unable to. 

This is the fitnesse code I am using: | populate grid | [1] | column | [1] | row | [1] | with | testData |

 

 

The error I am getting is: Could not invoke constructor for PopulateGrid[7]. 

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