Which statement about Kalakacharyakatha is incorrect?

Kalaka is searching for his abducted brother.

Answer:  Kalaka is searching for his abducted brother.
Kalakacharyakatha narrates the story of Acharya Kalaka on a mission to rescue his abducted sister, not brother.

Other popularly painted texts are Kalakacharyakatha and Sangrahini Sutra, among others. Kalakacharyakatha narrates the story of Acharya Kalaka, who is on a mission to rescue his abducted sister (a Jain nun) from an evil king. It recounts various thrilling episodes and adventures of Kalaka, such as him scouring the land to locate his missing sister, demonstrating his magical powers, forging alliances with other kings, and lastly, battling the evil king.