fix error Stream Error type: ack

Think can help with investigation and fix of this issue you get currently in your app. Tnx and Regards.

Hello! I have an experience working with yowsap, so I will present the fix the day you will select me. I will develop a maintainable and extendable code and will deliver results quickly. Generally, the cause is "un-acked" messages and I will fix that! Also, I will guide you if you will have any questions. looking forward to completing this job. Thank you for your consideration.