Since I don't have his email id, tried sending a private message via bvp. No luck so far.
In case it helps fish a responsible person out -
A correction is in order in bhagavat-sandarbha of ShaT-sandarbha -
अत्र क्रमाद् उत्कर्षेण सन्धिनी-संविद्-ध्लादिन्यो ज्ञेयाः ।