Possible Results:
estabas chateando
-you were chatting
Imperfect progressiveconjugation ofchatear.
estabas chateando
-you were chatting
Imperfect progressivevosconjugation ofchatear.

chatear

En otras palabras, si estabas chateando en WhatsApp en el momento en que se envió el mensaje, probablemente no se haya creado una notificación.
In other words, if you were chatting on WhatsApp at the time the message was sent a notification will probably not have been created.
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