Thanks for using our products.
Can you please share which product you are using so that we may answer accordingly. We are sorry for your inconvenience.
Thanks for your request.
1. You might have a similar issue as described here:
2. You do not need to apply the license before each conversion. You should apply the license only once per application domain. Please see the following link to learn when you need to apply the license:
Please let us know if you need more information, we are always glad to help you.
Thanks for your inquiry. Setting the license several times should not cause any issues. But it is strongly not recommended to apply the license multiple times. So to avoid a possible problems, I would suggest you to set the license one on application start event.