I’m running into the same problem, did you by any chance get this figured out? If so could you please let me know what I need to do. Thanks in advance 

I'm running into the same problem.

After some Googling, I found this document online.

According to that link:

23300 = 22215 + 20700 + 22400 + 22900 + 23100 + 23200

AND

23400 = 15000 - 23300

My return shows all those numbers except for 23300 so with those two functions, we should be able to compute 23300 and verify it is correct.

I hope this helps!

I am also receiving this error, the problem is my spouse does not have any other income except for Line 23600 and it is telling me I must subtract Lines 23500 before I adjust line 23400, this makes no sense since there is no info for either of these lines!!

Was this ever sorted out? I am having the same issue tonight. I Have an amount to enter for 23600 so not sure what the issue is 

Yes it was sorted out for me on the turbo tax Canada site. I was asked to put the same figure from line 23600 into line 23400 and it worked. 

Hope this helps.

I am running into this same thing... dah ... how do we get past this.  My spouse did not have services benefit repayments

Did any one try this and have success getting past this error?