Skipping contributed index file C:\Users\akjjh\AppData\Local\Arduino15\package_seeeduino_boards_index.json, parsing error occured:
com.fasterxml.jackson.databind.JsonMappingException: Unexpected end-of-input within/between Object entries
at [Source: (FileInputStream); line: 3805, column: 1304]
at [Source: (FileInputStream); line: 3804, column: 26] (through reference chain: cc.arduino.contributions.packages.ContributionsIndex[“packages”]->java.util.ArrayList[0]->cc.arduino.contributions.packages.Contrib
link file:- https://files.seeedstudio.com/arduino/package_seeeduino_boards_index.json
Seeeduino xiao board manager installation error, the json file is missing “}” “]” and checksum and size. Please fix the issue asap.