Thanks @siavashsoleymani ,
Out of curiosity can you try adjusting the spring.cloud.stream.dynamic-destination-cache-size parameter (default 10) and see if that helps? If you know you are sending to like 100 different topics over your apps lifetime try to change it to like 110 and see if that helps.
**If this is the issue you might consider trying out the second option for publishing to dynamic destinations as it should also be more performant with Solace 
. I covered it in section 6 here: