How do I add edges to a directed graph with an edgetable -keep getting errors

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I have a digraph, BG with an edge table of size 133x13 which includes the first column EndNodes which is a 13x2 cell array of end nodes and 12 other variables of different types. I have a table 'addedges' to add in which is a table of 10x12 with variable names and type the same as BG.Edges excluding the first EndNodes column. I have tried multiple ways to add these edges:

s=addedges.start_node_no
t=addedges.end_node_no
BG = addedge(BG,s,t,addedges)

"Warning: The assignment added rows to the table, but did not assign values to all of the table's existing variables. Those variables are extended with rows containing default values.Error using digraph/addedge (line 167)

The number of table variables in an assignment must match."

So I then duplicated the start_node_no and end_node_no columns in 'addedges' , merged it and named it EndNodes so the table is identicial in size at 13 columns with the same variable names and tried:

BG = addedge(BG,addedges)

and still got the same error.

I then tried to the make EndNodes a cell array as it is currently a double but had no success. I have tried duplicated BG.Edges and adding them and that works so there is obviously something wrong with my table and not the code.