Error message: After parsing a value an unexpected character was encountered: N. Path ‚files[0].skeleton.contextDefinitions[0].description‘, line 1, position 1371

After parsing a value an unexpected character was encountered: N. Path ‚files[0].skeleton.contextDefinitions[0].description‘, line 1, position 1371

This error message appears quite frequently, no machine translation is available then, although the machine translation is active. Does anybody have an idea how to solve this?

SDL language cloud is rendered useless by this error.