Hi Team, I could not able to open solution in composer and getting an error "System.InvalidOperationException", please find the screen shot. This is a blocker to proceed further changes in solution.
To overcome this issue we need to make the below changes on customers Server machine.
Please see steps below.
1) Open the Composer web.config file and search for the following : "maxJsonLength"
By default its value is 50000000
2) Change the following key to this value <jsonSerialization maxJsonLength="2147483647" />
Note- Composer web config is present at the place where the Composer is installed.
Also before making any changes, keep back up of the original web config file.
3) Perform an IIS Reset
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