I have a code that use img tag to show an image. The issue is that when the image src is null i get an error that says 404 error.How can i solve this issue. I'll share my code below.

                          
                           
                          
                                                   
                           
                           
                           X
                                                 
                          {{ item.itemValue }}
                        

when graph1 and graph2 image data is null i get the 404 error