The bond appears to be fine, it’s the attached paperwork that was rejected.
"The cause for the rejection, according to the New York County Supreme Court website, is because the requisite paperwork lacked a current financial statement.
. . .
“It is also missing the name of his attorney-in-fact. Trump will have a chance to resubmit his request.”
MSN has it:
https://www.msn.com/en-us/news/politics/rejected-and-returned-for-correction-docs-for-trumps-175m-bond-get-bounced/ar-BB1l1Nf9
The bond appears to be fine, it’s the attached paperwork that was rejected.
"The cause for the rejection, according to the New York County Supreme Court website, is because the requisite paperwork lacked a current financial statement.
. . .
“It is also missing the name of his attorney-in-fact. Trump will have a chance to resubmit his request.”