I just downloaded and installed 8.300. I wanted to try out the new RED client setup to link 2 ASG's together. I went to RED Management -> Client Tunnel Management and tried to add a new tunnel. I entered a name and host name and clicked Save. I got this error message:
malformed JSON string, neither array, object, number, string or atom, at character offset 0 (before "(end of string)") at /core/modules/core_tools.pm line 651.
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