@Vishal_S01
The thread here[0] elaborates the probable reasons why you're seeing this issue.
You can use -fixupmessages to ignore any baseline messages regarding bundle versions OR disable bundle version baselining via -diffignore: Bundle-Version (https://bnd.bndtools.org/instructions/diffignore.html).
You can refer to this thread for other options to mitigate this issue.
Hope this helps!
[0] - https://github.com/bndtools/bnd/issues/3446