"Статус: ошибка:200 Error: jQuery1111017984440992586315_1428936536897 was not called"

[ariyatan]

Presumably it emerges when grammar gives no clue to distinguish subject and object, e.g. "мать любит дочь" and "кот ловит мышь".
The same structure with grammar markings ( "мать любит дочерей" and "кот ловит мышку") are processed correctly.

[ariyatan]

The same error with "коты ловят мышь"