cannot call to an extension

[[email protected]]

We cannot dial to an extension, and only this extension could not be called
It shows busy on the yealink phone, which is ok before
when check activity log, it show
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11/21/2022 9:55:49 AM - Exception: ParseException E:\jenkins\workspace\18.0.SP5\Sources\3rdParty\Resiprocate\rutil\ParseBuffer.hxx:230, Parse failed unexpected eof in context:
1234
^
@ E:\jenkins\workspace\18.0.SP5\Sources\3rdParty\Resiprocate\rutil\ParseBuffer.hxx:230
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We had updated to V18 SP5 recently