wordpress toolkit decoding failed: syntax error

I need to find the issue with this error. I've seen this issue on a few threads but with no resolution for me on any if the solutions. "The xxxxxxxxxxxxxxxxx" was cloned with errors: Failed to reset cache for instance #1: An error has occurred when decoding JSON: Decoding failed: Syntax error...

Hey guys, It seems that a recent update may have affected the Wordpress toolkit on our end. Most sites are not connected/synchronized and show either a "Decoding failed: Syntax error" error, or a bunch of php. Here is a snippet of the php issues below: {"err_code":40002,"err_message":"Unable...