Sarvabhauma Bhattacarya suggested, "On that Ratha-yatra festival day, after dancing before the Lord, Sri Caitanya Mahaprabhu will enter the Gundica garden. At that time you (King Prataparudra) should go there alone, without your royal dress"

Expressions researched:
"On that Ratha-yatra festival day, after dancing before the Lord, Sri Caitanya Mahaprabhu will enter the Gundica garden. At that time you should go there alone, without your royal dress"

CC Madhya-lila

On that Ratha-yātrā festival day, after dancing before the Lord, Śrī Caitanya Mahāprabhu will enter the Guṇḍicā garden. At that time you should go there alone, without your royal dress.

CC Madhya 11.55, Translation:

“On that Ratha-yātrā festival day, after dancing before the Lord, Śrī Caitanya Mahāprabhu will enter the Guṇḍicā garden. At that time you should go there alone, without your royal dress.