Failed to initialize plugin 'SignHistory v1.1.3' (ArgumentException: Could not cast or convert from System.String to NetworkableId.)
at Newtonsoft.Json.Utilities.ConvertUtils.EnsureTypeAssignable (System.Object value, System.Type initialType, System.Type targetType) [0x00062] in <271c58b7a8684db5a2c92be17a81f252>:0
at Newtonsoft.Json.Utilities.ConvertUtils.ConvertOrCast (System.Object initialValue, System.Globalization.CultureInfo culture, System.Type targetType) [0x00031] in <271c58b7a868

I've sent a fix to the author via discord as patching is disabled. Dm me on discord @Whispers88#0007 if you need the fix sooner.