Bad control character in string literal in JSON at position 4198884 (line 1 column 4198885)

If the problem persists, please contact the server administrator.

[16, 6, 1, 6]
[]
[]
[]
[]
[]
[]
[]
[]
[10, 6]
[10, 10]
[10, 20]
[10, 30]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]