Give us a clue - have you downloaded the v1.2 release from https://github.com/RentaMouse/Spark/releases ?

If you have that, did you follow the bit about using the Spark.conf file to make sure you have the new nodes added?

If your wallet gets to block 14,400 and then stops syncing, close it and reopen it a few minutes later, it should then sync the rest of the blocks.