However, the Byzantine governor of Dorystolon learned about the plan and notified Basil II. Upon hearing this, the Pechenegs declined to take part, effectively ruining the Bulgarian plans.
In any case, the Byzantine governor of Dorystolon was informed about the plan by someone, which led to him notifying Basil II. As a result, the Pechenegs decided not to cooperate, thereby thwarting the Bulgarian plans.