An insider informed the The Daily Sports on July 10, "Lee Ha Na has decided against appearing in SBS's new weekend drama 'Our Gab Soon.'" 

Lee Ha Na was present at the drama's table-read this past July 2 at SBS's production center in Tanhyeon-dong. The actress was said to have familiarized herself with her co-stars, and everything had progressed smoothly. Following the table-read, SBS confirmed Lee Ha Na's casting in 'Our Gab Soon.' However, the actress's confirmed casting abruptly fell through when she backed out, for reasons unspecified, the last minute. 

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The insider further related, "We're currently searching for a new actress. As soon as negotiations conclude, we plan to begin filming." 

Netizens are putting forth various speculations such as that Lee Ha Na was booted by a sponsored actress or that she simply didn't like the script. What do you think?